Sand Triangle is a reef site located off Zamami Island, Japan, offering depths between 5 and 20 metres. Accessible only by boat, the site features mild currents and visibility reaching up to 40 metres. The topography consists of reef-building corals, which require careful navigation to avoid contact with sharp edges. The water temperature fluctuates between 22 and 29 degrees Celsius throughout the year. Due to the presence of sharp coral and rock, maintaining neutral buoyancy is essential for all divers and snorkellers. This site is suitable for beginners, though visitors should confirm facility availability with their boat operator prior to departure.

Gishippu Island is a reef dive site located off Zamami Island in the Kerama Islands. The site features a consistent depth of 10 metres, making it suitable for beginner divers. Access is via a shore entry, and the site experiences mild currents. Visibility typically ranges between 15 and 30 metres. Water temperatures fluctuate throughout the year, ranging from 22C in February to 29C during the summer months. Divers should be aware of sharp coral present in the area. Typical dives at this location last approximately 45 minutes.

Kame Paradise is a reef site located 2000 metres off Zamami Island in the Kerama Islands. Accessible only by boat, the site features depths ranging from 15 to 20 metres with an average of 15 metres. Divers and snorkellers experience mild currents and visibility typically between 20 and 30 metres. Water temperatures fluctuate between 22C and 29C throughout the year. The site is suitable for beginners, though caution is required regarding sharp coral and rocks. Due to constant boat traffic in the vicinity, it is essential to remain clearly marked and listen for engines before ascending. A typical dive lasts 50 minutes.

Kamigu is a shore-entry reef site located on Zamami Island, Japan. This shallow location provides a calm environment suitable for beginners to practice buoyancy and build confidence. Water temperatures range from 22C to 29C throughout the year, typically requiring only a light wetsuit. As conditions are variable, visibility can differ between visits, and it is recommended to check locally for current facilities before arrival. The site is accessible without a boat and remains open for diving and snorkelling year-round. Due to the variable nature of the site, visiting on a calm day provides the best visibility for observing the reef environment.

Sand Tra East is a shallow reef and seagrass site located off Zamami Island in the Kerama Islands. The site features a consistent depth of approximately 7 metres, making it suitable for beginner divers. Access is via a shore entry, and the site experiences mild currents. Visibility typically ranges between 10 and 20 metres. Water temperatures fluctuate throughout the year, ranging from 22C in February to 29C during the summer months. Night diving is permitted at this location. Divers should be aware of the presence of jellyfish in the area.

Jitsuru is a reef and wall site off Zamami Island, Japan, defined by its strong drift conditions. The wall drops to a depth of 20 metres, where sea fans provide structure. Divers should remain alert for strong currents and rip currents, as well as variable visibility. Hazards include jellyfish, sharks, stonefish, and sharp coral. Due to the drift nature of the site, divers spend more time hovering than kicking. Species recorded around this area include green sea turtles, clown triggerfish, and various wrasses. This site is suitable for intermediate divers, and boat access is required.

Nozaki is a reef dive site situated off Zamami Island, offering depths between 5 and 15 metres with an average of 10 metres. Divers access this site by boat. Visibility is typically between 20 and 30 metres, allowing for clear views of the reef structure. Water temperatures fluctuate between 22 and 29 degrees Celsius throughout the year. The site is suitable for beginners, though divers must be aware of moderate to strong currents that can develop without warning. It is recommended to remain close to the boat entry point and maintain solid buoyancy control throughout the typical 50-minute dive.

Okinawa Islands Reef #1 is a shore-entry reef site located off Zamami Island. Divers can expect visibility ranging from 10 to 30 metres and water temperatures between 22 and 29 degrees Celsius. The site features a shallow reef structure suitable for newly certified divers, though variable currents and surf conditions require careful monitoring during entry. Due to the presence of jellyfish and surf, a full wetsuit with gloves is recommended. Species recorded around this area include green sea turtles, titan triggerfish, regal angelfish, clown triggerfish, turkey moray, lunartail grouper, day octopus, wrasses, Ijima's sea snake, blackback anemonefish, moorish idol, flagtail triggerfish, pink skunk anemonefish, and lined butterflyfish.