Okinawa main island in Water sports (river / lake activities) Page 6

• Age 5～Age 65
• 1～2 hours
• 09:00 / 13:00

★Beginners welcome! Let's play with the spectacular view! ★Go to a deserted island with SUP! An exciting adventure! ★Private tour limited to one group only★ Receive a high-quality camera photo as a gift! ★An experienced guide will guide you so you can feel safe and secure as you cruise elegantly on the clear sea and row to a deserted island on your own! The beginning of a great adventure! Carefully capture wonderful moments with a high-quality camera A spectacular view that you'll want to experience at least once in your life awaits you. Please be healed by island time in Okinawa.

• For Rainy Days

• Age 6～Age 65
• 1～2 hours

First of all from the sky! After enjoying an elegant aerial walk while looking at the deep blue sea and sky, fun perfect score a snorkel ♪ move banana boat entered the sea that has been looked down until a while ago! Kore If you want to enjoy the sea of ​​Okinawa! !

• For Groups

• Age 6～Age 65
• 1～2 hours

Okinawa... of the sky of only to you. We can overlook Seso Island, Minnajima while feeling wind with skin. There is no doubt that you are impressed by the feeling of flying in the sky and the clear sea! It is advantageous by setting it with a banana boat ♪

• For Groups

• Age 5～Age 59
• 2～3 hours
• 09:00 / 14:00

``Group private tour'' This is a boat charter snorkel & SUP for one group. Recommended for those who want to make their stay in Okinawa a special time and for those who want to spend a private space just for themselves. Unlike a typical shared boat tour, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that you can experience only with a private course. ``The boat is a new boat that entered service in January 2024, and is the best size for chartering one group.'' The boat used for the course is a new boat that was delivered in January 2024, ``YAMAHA YFR-27HMEX'', toilet, shower, air conditioner, The cabin is equipped with a sunshade awning, so women and children can rest assured. Capacity is 10 people, and up to 8 passengers can be on board, excluding 2 captain's staff. It's the perfect size for one group to reserve. The engine is YAMAHA's latest model ``V type 6 cylinder model F250N'' and uses gasoline instead of diesel oil, so the exhaust gas is clean and there are no odors or noises. ``The port is a 5-minute walk from American Village in Chatan Town'' The port is in Chatan Town, which is very popular, and there are many resort hotels and shopping centers and restaurants, and ``Chatan Fisherina'' is the closest to the tourist spot ``American Village'', so it has excellent access and atmosphere. is. ``Two 150-minute courses a day, available in the morning and afternoon.'' This is also recommended for those who have a lot of plans during their stay and want to make the most of their time after arriving in Okinawa or in the morning of the last day. Even with the 150 minute course, you can spend a leisurely 90 minutes after reaching the point.

• For Rainy Days

• Age 5～Age 59
• 2～3 hours
• 09:00 / 14:00

"Private tour for group charter" A boat charter, tropical fishing & snorkeling for one group only. Recommended for those who want to make their stay in Okinawa a special time or for those who want to spend a private space just for themselves. Unlike general shared boat tours, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that can only be experienced on a private course. "The boat is a new boat that was launched in January 2024, the best size for one group charter" The boat used for the course is a new boat delivered in January 2024, "YAMAHA YFR-27HMEX". It comes with a toilet, shower, air conditioning, cabin, and sunshade awning, so women and children can feel safe. The capacity is 10 people, and up to 8 customers can board excluding the two captain staff. It is just the right size for one group charter. The engine is YAMAHA's latest model "V-type 6-cylinder model F250N". The fuel is gasoline instead of diesel, so the clean exhaust gas does not cause any smell or noise. The port is a 5-minute walk from Chatan Town American Village. The port is in the very popular Chatan Town, where there are many resort hotels, shopping centers, and restaurants. Chatan Fisherina is the closest to the tourist spot American Village, so it has excellent access and atmosphere. Choose from morning or afternoon, and there are two 150-minute courses per day. This is recommended for those who want to make the most of their time after arriving in Okinawa, in the morning on their last day, or for those who have a lot of plans during their stay. Even with the 150-minute course, you can spend 90 minutes leisurely after arriving at the point.

• For Rainy Days

• Age 5～Age 59
• 3～4 hours
• 08:00 / 13:00

``Group private tour'' This is a boat charter snorkel & SUP for one group. Recommended for those who want to make their stay in Okinawa a special time and for those who want to spend a private space just for themselves. Unlike a typical shared boat tour, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that you can experience only with a private course. ``The boat is a new boat that entered service in January 2024, and is the best size for chartering one group.'' The boat used for the course is a new boat that was delivered in January 2024, ``YAMAHA YFR-27HMEX'', toilet, shower, air conditioner, The cabin is equipped with a sunshade awning, so women and children can rest assured. Capacity is 10 people, and up to 8 passengers can be on board, excluding 2 captain's staff. It's the perfect size for one group to reserve. The engine is YAMAHA's latest model ``V type 6 cylinder model F250N'' and uses gasoline instead of diesel oil, so the exhaust gas is clean and there are no odors or noises. ``The port is a 5-minute walk from American Village in Chatan Town'' The port is in Chatan Town, which is very popular, and there are many resort hotels and shopping centers and restaurants, and ``Chatan Fisherina'' is the closest to the tourist spot ``American Village'', so it has excellent access and atmosphere. is. ``Half-day course with two flights per day, available in the morning and afternoon'' This is also recommended for those who have a lot of plans during their stay and want to make the most of their time after arriving in Okinawa or in the morning of the last day. Even with the half-day course, you can spend about 2 hours leisurely after arriving at the points.

• For Rainy Days

• Age 3～Age 69
• 3～4 hours
• 08:00 / 13:00

"Private tour for group charter" A boat charter experience tropical fishing for one group only. Recommended for those who want to make their stay in Okinawa a special time or for those who want to spend a private space just for themselves. Unlike general shared boat tours, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that can only be experienced on a private course. "The boat is a new boat that was launched in January 2024, the best size for one group charter" The boat used for the course is a new boat delivered in January 2024, "YAMAHA YFR-27HMEX". It comes with a toilet, shower, air conditioning, cabin, and sunshade awning, so women and children can feel safe. The capacity is 10 people, and up to 8 customers can board excluding the two captain staff. It is just the right size for one group charter. The engine is YAMAHA's latest model "V-type 6-cylinder model F250N". The fuel is gasoline instead of diesel, so the clean exhaust gas does not cause any smell or noise. "The port is a 5-minute walk from Chatan Town American Village." The port is in the very popular Chatan Town, where there are many resort hotels, shopping centers, and restaurants. Chatan Fisherina is the closest to the tourist spot "American Village," so it has excellent access and atmosphere. "Choose from morning or afternoon, 2 half-day 4-hour courses per day." Recommended for those who want to make the most of their time in the afternoon after arriving in Okinawa or in the morning of their last day and have a lot of plans during their stay.

• For Rainy Days

• Age 5～Age 59
• 3～4 hours
• 08:00 / 13:00

"Private tour for group charter" A boat charter, tropical fishing & snorkeling for one group only. Recommended for those who want to make their stay in Okinawa a special time or for those who want to spend a private space just for themselves. Unlike general shared boat tours, you don't have to worry about other people. We will guide you through the ultimate Okinawa vacation that can only be experienced on a private course. "The boat is a new boat that was launched in January 2024, the best size for one group charter" The boat used for the course is a new boat delivered in January 2024, "YAMAHA YFR-27HMEX". It comes with a toilet, shower, air conditioning, cabin, and sunshade awning, so women and children can feel safe. The capacity is 10 people, and up to 8 customers can board excluding the two captain staff. It is just the right size for one group charter. The engine is YAMAHA's latest model "V-type 6-cylinder model F250N". The fuel is gasoline instead of diesel, so the clean exhaust gas does not cause any smell or noise. The port is a 5-minute walk from Chatan Town American Village. The port is in the very popular Chatan Town, where there are many resort hotels, shopping centers, and restaurants. Chatan Fisherina is the closest to the tourist spot American Village, so it has excellent access and atmosphere. Choose from morning or afternoon, and take advantage of the two half-day trips per day. This is recommended for those who want to make the most of their time after arriving in Okinawa, or in the morning on their last day, or for those who have a lot of plans during their stay. Even with the half-day course, you can spend about 2 hours relaxing after arriving at the point.

• For Rainy Days

• Age 4～Age 80
• Within 1 hour

Since it is a clear (transparent) Sapp, you can enjoy Okinawa's beautiful sea, brightly colored fish, and coral reefs. You can have an experience similar to snorkeling without having to dive into the sea. ~ Flow of the experience ~ ① Preparation for reception, filling out consent form, explanation of tour details (about 15 minutes) ② Experience (30 minutes) ③ Dismissal You can prepare for your return in the hot shower and simple changing room.

• For Rainy Days
• For Groups

• Age 6～Age 60
• 5～6 hours /Over 6 hours on the day
• 10:00

You can enjoy BBQ and clear sup as a set. Enjoy clear sapphire in the crystal clear sea and BBQ on the open wood deck terrace with an ocean view from every seat! All BBQ equipment and ingredients are provided, so you don't need to bring anything! You can start BBQ whenever you want, so please feel free to ask our staff! ~ Procedure of the day ~ ① Free transportation After arriving at Tsuken Port, we will take you to the beach where the event will be held for free. ②You can start the activity experience/BBQ clearing and BBQ at any time you like. If there are any items you would like to try other than Clear Sap, please feel free to ask the local staff. ③ After the experience ends After you have taken a shower and changed your clothes, we will provide a free shuttle to the port for your return flight.

• Pickup Service
• For Groups

• Age 6～Age 60
• 1～2 hours
• 10:00

This is a special plan to enjoy the emerald green sea of Tsuken Island to your heart's content in a transparent clear kayak! Once you get in the clear kayak, you will quietly move on the crystal clear sea, and the colorful fish and beautiful coral will spread out at your feet! Enjoy an extraordinary experience, as if you were exploring the underwater world while floating on the water! ■Enjoy a BBQ with an additional option! After enjoying a comfortable sea adventure in a clear kayak, how about a BBQ? We offer a BBQ using local ingredients, and a moment to taste the natural blessings and sea breeze of Tsuken Island! BBQ on an open wooden deck terrace with an ocean view! All equipment is provided, so you can participate empty-handed! ▼ BBQ Regular Menu・Specially Marinated Beef・Specially Marinated Chicken・Tsuken Island Mozuku・Rice Balls・Vegetables・Cold Somen or Yakisoba・Shaved Ice▼ BBQ Children's Menu・Specially Marinated Beef・Wiener・Rice Balls・Hamburger Steak・Vegetables・Cold Somen or Yakisoba・Shaved Ice ~ Flow of the Day ~ ① Free Transportation After arriving at Tsuken Port, we will take you to the beach where the event is held for free. ② Activity Experience If there are any other items you would like to play with besides Clear Sap, please feel free to ask the local staff. ③ End of Experience After taking a shower and changing clothes, we will provide a free transportation to the port according to your return flight.

• For Groups

• Age 6～Age 60
• 1～2 hours
• 10:00

This is a Clear SUP experience plan where you can enjoy the emerald green sea of Tsuken Island! If you ride the transparent SUP, you can see the crystal clear sea, beautiful coral, and swimming fish in front of you every time you glide on the water! You will feel as if you are one with the sea and you will enjoy a luxurious time where you can enjoy a special and spectacular view! ■Enjoy a BBQ with an additional option! After enjoying Clear SUP, how about a BBQ? We will provide you with a moment to taste the natural blessings and sea breeze of Tsuken Island with a BBQ using local ingredients! BBQ on an open wooden deck terrace with an ocean view! All equipment is provided, so you can participate empty-handed! ▼ BBQ Regular Menu・Specially Marinated Beef・Specially Marinated Chicken・Tsuken Island Mozuku・Rice Balls・Vegetables・Cold Somen or Yakisoba・Shaved Ice▼ BBQ Children's Menu・Specially Marinated Beef・Sausage・Rice Balls・Hamburger Steak・Vegetables・Cold Somen or Yakisoba・Shaved Ice ~ Flow of the Day ~ ① Free Transportation After arriving at Tsuken Port, we will take you to the beach where the event is held for free. ② Activity Experience If there are any other items you would like to play with besides Clear Sap, please feel free to ask the local staff. ③ End of Experience After taking a shower and changing clothes, we will provide a free transportation to the port according to your return flight.

• Pickup Service
• For Groups

• Age 6～Age 60
• 5～6 hours /Over 6 hours on the day
• 10:00

You can enjoy BBQ and hurricane boat as a set. Enjoy a hurricane boat ride in the crystal clear sea and BBQ on the open wood deck terrace with an ocean view from every seat! All BBQ equipment and ingredients are provided, so you don't need to bring anything! You can start BBQ whenever you want, so please feel free to ask our staff! ~ Procedure of the day ~ ① Free transportation After arriving at Tsuken Port, we will take you to the beach where the event will be held for free. ②Activity experience/BBQ You can start the hurricane boat and BBQ at any time you like. If there are any items you would like to play with other than the hurricane boat, please feel free to ask the local staff. ③ After the experience ends After you have taken a shower and changed your clothes, we will provide a free shuttle to the port for your return flight.

• Pickup Service
• For Groups

• Age 13～Age 60
• 5～6 hours /Over 6 hours on the day
• 10:00

You can enjoy BBQ and fry board as a set. Enjoy flyboarding in the crystal clear sea and BBQ on the open wood deck terrace with an ocean view from every seat! All BBQ equipment and ingredients are provided, so you don't need to bring anything! You can start BBQ whenever you want, so please feel free to ask our staff! ~ Procedure of the day ~ ① Free transportation After arriving at Tsuken Port, we will take you to the beach where the event will be held for free. ②Activity experience/BBQ You can start the fly board and BBQ at any time you like. If there are any items you would like to try other than flyboards, please feel free to ask the local staff. ③ After the experience ends After you have taken a shower and changed your clothes, we will provide a free shuttle to the port for your return flight.

• Pickup Service
• For Groups

• Age 13～Age 60
• 5～6 hours /Over 6 hours on the day
• 10:00

You can enjoy BBQ and wakeboarding as a set. Enjoy wakeboarding in the crystal clear sea and BBQ on the open wood deck terrace with an ocean view from every seat! All BBQ equipment and ingredients are provided, so you don't need to bring anything! You can start BBQ whenever you want, so please feel free to ask our staff! ~ Procedure of the day ~ ① Free transportation After arriving at Tsuken Port, we will take you to the beach where the event will be held for free. ②Activity experience/BBQ You can start wakeboarding and BBQ at any time you like. If there are any items you would like to try other than wakeboarding, please feel free to ask the local staff. ③ After the experience ends After you have taken a shower and changed your clothes, we will provide a free shuttle to the port for your return flight.

• Pickup Service
• For Groups

• Age 6～Age 60
• 5～6 hours /Over 6 hours on the day
• 10:00

You can enjoy BBQ & Super Marble as a set! Enjoy Super Marble in the crystal clear sea and BBQ on the open wood deck terrace with an ocean view from all seats! All BBQ equipment and ingredients are provided, so you don't need to bring anything! You can start BBQ whenever you want, so please feel free to ask our staff! ~ Procedure of the day ~ ① Free transportation After arriving at Tsuken Port, we will take you to the beach where the event will be held for free. ②Activity Experience ・BBQ Super Marble, BBQ can be started at any time you like. If there are any items you would like to try other than Super Marble, please feel free to ask the local staff. ③ After the experience ends After you have taken a shower and changed your clothes, we will provide a free shuttle to the port for your return flight.

• Pickup Service
• For Groups

• Age 6～Age 60
• 5～6 hours /Over 6 hours on the day
• 10:00

You can enjoy BBQ and banana boat as a set! Enjoy a banana boat ride in the crystal clear sea and BBQ on the open wood deck terrace with an ocean view from every seat! All BBQ equipment and ingredients are provided, so you don't need to bring anything! You can start BBQ whenever you want, so please feel free to ask our staff! ~ Procedure of the day ~ ① Free transportation After arriving at Tsuken Port, we will take you to the beach where the event will be held for free. ②Activity experience/BBQ You can start the banana boat and BBQ at any time you like. If there are any items you would like to try other than banana boats, please feel free to ask the local staff. ③ After the experience ends After you have taken a shower and changed your clothes, we will provide a free shuttle to the port for your return flight.

• Pickup Service
• For Groups

• Age 7～Age 69
• 2～3 hours
• 16:00 / 17:00 / 18:00

[Limited to 1 group every day! ! ] [Beautiful facilities can also be reserved!! Private tour] Private SUP tour limited to 1 group! Full facilities such as hot showers, changing rooms, and toilets are also available for private use, so you can enjoy a relaxing and private time! This is a private tour, so even those who are trying SUP for the first time can enjoy the beautiful sea at their own pace. Watch the sun set quietly over the horizon and mountains of Okinawa... from above the sea! I've never had an experience like this before! Float your SUP on the sunset sea and watch the sunset as if you were melting in your skin. Such a romantic situation is sure to impress! We will do our best to support you with surprises such as proposals ★☆ End the day in the midst of nature with a view of the sunset from the sea. Why not experience a luxurious and special time unique to Okinawa on Hareta's completely private SUP tour, limited to one group each day?

• For Groups

• Age 7～Age 69
• 4～5 hours
• 17:00 / 18:00 / 19:00

[Beautiful facilities can also be reserved!! Private tour] Private SUP tour limited to 1 group! Full facilities such as hot showers, changing rooms, and toilets are also available for private use, so you can enjoy a relaxing and private time! This is a private tour, so even those who are trying SUP for the first time can enjoy the beautiful sea at their own pace. I want to enjoy both the changing scenery from sunset and the fantastic atmosphere of the sea at night! If you're interested in both...you can do both in one day lol Slowly watch the beautiful Okinawa sunset and sunrise from the sea, and the sea gradually gets darker after sunset, making it difficult to tell the boundary between the horizon and the sky. When it comes, switch on the LED light! From the romantic situation we saw earlier, we will now take you to the fantastical world of the sea! It's a great deal if you do it all together!With a limited schedule for your trip to Okinawa, let's enjoy it to the fullest until the night!

• For Groups

• Age 3～Age 65
• 1～2 hours
• 09:00 / 11:00 / 13:00 / 15:00 / 17:00

■Clear SUP tour at a remote beach that is also used for TV filming! ! ・A tour where you can enjoy the ocean through a transparent SUP at a popular spot for snorkeling and SUP! ・Why not look down on the emerald green sparkling ocean from above? ■Beginners are also welcome♪・Before the tour, the instructor will explain how to use it from scratch. Don't worry, most of the people who join our shop are beginners! ・If you get tired, the instructor can pull you back to the beach! ■For customers who want to use a drone-N Ocean's most popular drone photography will continue this season♪・Please follow us on Instagram (@n.ocean_okinawa) or call the shop directly. →We will inform you of the price and take your reservation. It is first come first served, so we recommend that you make a reservation in advance. *Please check out the experience on our Instagram★<Schedule example ~ For a plan starting at 11:00 ~> 10:40 Meet at the shop / Reception 11:00 Explanation and practice on how to ride and row on land 11:05 Let's go to the sea! ! 11:50 SUP finished, thank you for your hard work! 12:00 Photo data handover and disbandment

• With Pets

• Age 3～Age 59
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00

・Participation is OK from 3 years old! ・One group is reserved! ・For SUP beginners! ・Empty-handed OK! ・Photo and video gifts ・Parking lot & hot water shower & hair dryer available SUP (stand-up paddle board) is a marine activity that originated in Hawaii and is a hot topic in beach resort trips. Just by riding a SUP board, you can train your sense of balance and core strength! Move your body while looking at the vast sea and sky and feel refreshed! Enjoy the crystal clear blue sea of ​​Okinawa with your whole body! Children under elementary school age will ride with a guardian.

• For Rainy Days

• Age 10～Age 65
• Within 1 hour

You can also try the very popular flyboarding experience at 75Mare.Umiasobi! You can have fun on the private beach directly connected to the hotel♪ Of course, it is also OK for non-guests staying at the hotel(^_-)-☆ It is an extremely exhilarating activity♪ Even if it is your first time, our instructors will teach you carefully!

• For Groups

• Age 5～Age 70
• Within 1 hour

An exhilarating jet ski touring plan in the clear waters of Nago, one of the best in Okinawa! We'll take you to the popular Minna Island, coral spots, and hidden gems with stunning views! If you have a small special license, you can drive by yourself! Enjoy the scenery that you can only see here!

• For Groups

• Age 10～Age 65
• Within 1 hour

Enjoy marine sports in the clearest waters of Nago, Okinawa! Great value courses with unlimited numbers of people♪ Banana boat, Joker, Marble♪ Why not make the best memories in Okinawa's ocean?

• For Groups

• Age 10～Age 65
• 1～2 hours /3～4 hours /Over 6 hours on the day

Our shop is a rare marine shop in Okinawa Prefecture where you can rent jet skis at a beach directly connected to a hotel. Our experienced instructors can show you around hidden spots and tours of Minna Island! Go straight from the beach to the ocean in Okinawa! If you're looking to rent a jet ski on Okinawa's main island, leave it to 75Mare.Umiasobi!

• Age 12～Age 59
• 1～2 hours
• 08:00 / 09:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00

[SUP] is a popular marine activity that originated in Hawaii while traveling to beach resorts. Just by riding a sup board, you can get a little training for your sense of balance and core! Move your body and feel refreshed while looking at the vast ocean and sky! Let's fully enjoy Okinawa's clear blue sea!

• For Rainy Days

• Age 0～Age 65
• Over 6 hours on the day

★ Made-to-order plan where you can choose the time and activity ★ We will guide you with our own boat that is completely reserved! !! ★ Anything can be consulted! !! <b>Activity list</b>・ Scuba diving ・ Snorkeling ・ Sap ・ Skin diving ・ Underwater scooter ・ Drone shooting ・ Sunset cruise ・ Waterfall play ・ Wake surfing etc. If you have any requests other than the above, please contact us. ✳︎ Please note that some menus cannot be combined due to schedule reasons.

• Pickup Service
• With Pets
• For Rainy Days
• For Groups
• For Family
• 24'～25' New Year's Campaign Sale

• Age 7～Age 69
• 2～3 hours
• 16:00 / 17:00 / 18:00

[Limited to 1 group every day! ! ] [Beautiful facilities can also be reserved!! Private tour] Private SUP tour limited to 1 group! Full facilities such as hot showers, changing rooms, and toilets are also available for private use, so you can enjoy a relaxing and private time! This is a private tour, so even those who are trying SUP for the first time can enjoy the beautiful sea at their own pace. Watch the sun set quietly over the horizon and mountains of Okinawa... from above the sea! I've never had an experience like this before! Float your SUP on the sunset sea and watch the sunset as if you were melting in your skin. Such a romantic situation is sure to impress! We will do our best to support you with surprises such as proposals ★☆ End the day in the midst of nature with a view of the sunset from the sea. Why not experience a luxurious and special time unique to Okinawa on Hareta's completely private SUP tour, limited to one group each day?

• For Groups

• Age 7～Age 69
• 2～3 hours
• 18:00 / 19:00 / 20:00

[Beautiful facilities are also reserved!! Private night tour] Private SUP tour limited to 1 group! Full facilities such as hot showers, changing rooms, and toilets are also available for private use, so you can enjoy a relaxing and private time! This is a private tour, so even those who are trying SUP for the first time can enjoy the beautiful sea at their own pace. Night SUP is a new type of night tour where you can enjoy the sea at night★Hareta is one of the few stores in Okinawa that offers night SUP. When the LED light illuminates the water under the large SUP board, you will feel as if you are riding on a spaceship...Okinawa's beautiful sea and starry sky are sure to soothe you! The event starts late, so don't waste the day you arrive in Okinawa! If you are an active person who wants to be active from the first day, or if you are curious and want to experience something different from other people in Okinawa, why not try the night SUP course for the first time, which is sure to be Instagrammable? You'll definitely experience a sensation you've never experienced before ★

• For Rainy Days

• Age 1～Age 80
• 1～2 hours
• 08:00 / 10:00 / 12:00 / 14:00 / 16:00

Plan to enjoy Sea kayak with a 2 year old child. It is a plan to enjoy Cruising at Kayak and pick up shells and observe fish on a beautiful beach. During photo free service Drone shooting is also possible (please charge 1000 yen On the day to the person in charge if you want to pay separately) ★ Caution ★ The tour is not reserved.

• For Groups