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.

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.

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.

Zamami Lighthouse is a diverse site featuring a combination of wall, cave, and reef topography. Suitable for beginner divers, the site reaches depths of up to 18 metres. Conditions are generally manageable due to mild currents, though visibility can vary. Access is by boat, and arriving early in the day is recommended for calmer surface conditions. Water temperatures remain comfortable throughout the year, ranging from 22 to 29 degrees Celsius. Divers should consult with their boat operator regarding current conditions before entering the water.

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.

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.

Okinawa Islands Reef off Zamami Island is a boat-access site featuring a reef structure that spans depths from 10 to 30 metres. Divers can expect visibility ranging between 15 and 30 metres. The site is suited for intermediate divers, as moderate currents are common and can strengthen with little warning. Divers should maintain solid buoyancy control and monitor current strength throughout the dive. Water temperatures remain between 22 and 29 degrees Celsius year-round. It is recommended to plan dives by working into the current first to allow for a drift back toward the boat entry point. Always check locally for current conditions before departure.

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.