Aharen Beach on Zamami Island is a reef site suitable for both diving and snorkelling. Located within the Kerama Islands, this shore-entry site features depths ranging from 1 to 6 metres, with an average depth of 3 metres. Divers and snorkellers can explore the reef approximately 50 metres from the shore. Conditions are generally mild, with visibility reaching between 20 and 50 metres. Water temperatures fluctuate between 22C and 29C throughout the year. Visitors should be aware of boat traffic in the area. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, equipment rental, a cafe, and a dive shop.

Nakachiburu is a sheltered reef dive located 2000 metres off Zamami Island. Suitable for beginner divers, the site features depths ranging from 5 to 14 metres with an average of 10 metres. Divers can expect mild currents and visibility between 10 and 20 metres. Access is by boat only. The reef structure includes sharp coral and rocks, requiring careful buoyancy control to avoid contact. Water temperatures fluctuate between 22 and 29 degrees Celsius throughout the year. Hazards include jellyfish in the water column, sharp coral, and stonefish resting on the substrate. Divers should exercise caution regarding placement of hands and knees and consult boat operators regarding current jellyfish presence.

Tokashiki Lighthouse offers a diverse underwater landscape featuring reef, wall, and cave formations. Located 1000 metres from shore, the site is accessible only by boat and is suited for intermediate divers due to the overhead cave environment. Depths range from 5 to 14 metres with visibility between 20 and 50 metres in mild currents. Divers should exercise caution near the cave entrance and along the wall to avoid contact with sharp coral, sea urchins, and lionfish. The site is open year-round with water temperatures fluctuating between 22 and 29 degrees Celsius. Guided tours and equipment rentals are available through local dive shops.

Crevasse is a reef site located 2000 metres off Zamami Island in the Kerama Islands. Accessible only by boat, the site features depths ranging from 8 to 16 metres with an average of 12 metres. Divers and snorkellers can expect mild currents and visibility between 10 and 25 metres. The topography consists of a reef structure that requires careful navigation to avoid sharp coral and sea urchins. Protective footwear is recommended, and divers should exercise caution when placing hands or feet on the reef. Typical dives last approximately 45 minutes. As there are no fixed facilities at this location, all boat and equipment arrangements must be confirmed with an operator in advance.

Uminchu is an artificial reef located off Zamami Island, Japan, featuring a structure that descends to a maximum depth of 25 metres. The site is characterised by strong currents that require careful planning and coordination with surface support teams. Visibility at the site typically ranges between 10 and 30 metres. Due to the nature of the currents, this site is suited for intermediate divers. Access is exclusively by boat, and divers should consult with local operators regarding tidal shifts and current direction before entry. Water temperatures fluctuate between 22 and 29 degrees Celsius throughout the year.

Tokashiku Beach Front is a sheltered shore dive on Zamami Island, Japan, featuring a reef that ranges from 2 to 6 metres in depth. With visibility typically between 20 and 30 metres, the reef layout is easily visible from the surface. The site experiences mild currents, making it suitable for beginner divers. Divers should exercise caution in the shallows, as stonefish, lionfish, sea urchins, and sharp coral are present. Protective footwear and reef gloves are recommended to prevent injury. On-site facilities include parking, showers, changing rooms, and toilets, providing a convenient base for shore entries.

Hanari Island is an uninhabited islet located 500 metres from the shore of Zamami Island. This reef site features shallow waters with white sand patches and is accessible by both boat and kayak. The site is suitable for beginners, offering a snorkel rating of 4 out of 5. Conditions are generally mild with visibility ranging from 10 to 30 metres. Species recorded around this area include green sea turtles, various triggerfish, wrasses, and anemonefish. Divers and snorkellers should be aware of potential hazards including jellyfish, rip currents, sea urchins, sharp coral, and stonefish.

Tokashiki Three Rocks is a boat-accessible reef site located off Zamami Island. The topography consists of table and branch corals, with depths ranging from 5 to 17 metres and an average depth of 10 metres. Visibility is high, typically between 30 and 60 metres, and currents are generally mild. The site is suitable for beginners, though divers should exercise caution around sharp coral and rocks. Water temperatures fluctuate between 22 and 29 degrees Celsius throughout the year. Guided tours are available through local dive shops to assist with navigation and site safety.