Feeling close to nature’s bounty provides a chance to think about environmental issues
Activity List
Glass-bottom Boat, Underwater Observatory

At the only underwater observatory on the Okinawa main island, you don’t have to get wet to see tropical fish in action. Another popular activity is a promenade over the sea in a whale-shaped glass bottom boat.

Capacity 36 people per glass-bottom boat, 24 people inside underwater observation towe
Required Time 90 min.
Accepts Visitors All Year Round (Maybe cancelled due to the weather or sea conditions)
Multilingual Services Pamphlet
Wheelchair Access Available


1744-1Kise, Nago City, Okinawa

Beach Trekking (Ino observations)

Students observe inoh (coastal shallows enclosed by coral reefs) where a variety of rare creatures live to learn about the ecosystem of the beautiful sea and environmental issues.

Capacity 20 – 60 people
Required Time 2 – 2.5 hours/td>
Accepts Visitors All Year Round
Multilingual Services Pamphlet、Panel Display
Wheelchair Access Available


524 Yamada, Onna Village, Okinawa

Whale Watching

From December to April every year, the whale watching tour offers people the opportunity to see humpback whales that have returned to the waters around Zamami Island.

Capacity 40 people
Required Time 2 hours
Accepts Visitors 27th Dec. to 5th Apr
Multilingual Services Handbook
Wheelchair Access Available


1 Zamami, Zamami Village, Okinawa

Coral Seedling Planting

At Gala Aoi Umi, visitors have the chance to prune coral branches and plant coral seedlings set in artificial bedrock. They can also try their hand at making salt and take it home with them. The facility also has a café on the grounds.

Capacity 20 – 40 people
Required Time 40 – 60 min.
Accepts Visitors All Year Round
Multilingual Services Pamphlet
Wheelchair Access Available (Excludes a part of the Sango Batake (coral field)


915 Takashiho, Yomitan Village, Okinawa

Cave Exploring

Visitors explore a limestone cave, which formed over 300,000 years and is designated as a natural monument. With a special “southern island cave exploration” plan, tours are also offered to go into the closed areas.

Capacity 25 people (Groups of over 25 people must be divided into separate groups)
Required Time 2.5 hours
Accepts Visitors All Year Round
Multilingual Services Pamphlet
Wheelchair Access Not available


1336 Maekawa, Tamagusuku, Nanjo City, Okinawa

Nakama River Cruise, Others

A leisurely boat cruise takes visitors along the Nakama River on Iriomote Island where the largest mangrove forest in Japan can be found. Trekking and canoeing along the Urauchi River are also popular.

Capacity 60 people per group
Required Time 60 – 70 min
Accepts Visitors All Year Round
Multilingual Services
Wheelchair Access Available


Inside the Ishigaki Port Remote Island Terminal, 1 Misaki, Ishigaki City, Okinawa

Mangrove Crab Fishing

Guided by crab fishermen who know all the inlets around Irabu Island, visitors can take a tour on which they bring up crab pots set along the tidal flats and mangrove forest.

Capacity 10 – 80 people
Required Time 90 min.
Accepts Visitors All Year Round
Multilingual Services
Wheelchair Access Not available


2F, 187Nishizato, Hirara, Miyakojima City, Okinawa

Marine Activities

Visitors are invited to experience snorkeling, sea kayaking or some of the many other activities. Safety measures and multilingual support services are provided so that visitors can enjoy these activities safely

Capacity 100 people
Required Time 3.5 hours (May differ depending on the program or ocean conditions)
Accepts Visitors Oct. – Jun
Multilingual Services English Speaker
Wheelchair Access Available for some programs (please confirm beforehand)


2-2-9 Minatomachi, Naha City, Okinawa

  • “Visitor capacity” indicates the maximum number of people allowed into a facility at one time.
  • “Barrier-free” indicates whether or not the facility provides wheelchair access.