Aharen Beach on Zamami Island is a reef site suitable for both diving and snorkelling. The area features depths ranging from 1 to 8 metres, with an average depth of 3 metres. The southern section, known as Area 2, provides deeper water and healthier coral structures compared to the main swimming zone. Access is via a shore entry, and conditions generally feature mild currents with visibility between 10 and 30 metres. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, equipment rental, a cafe, and a dive shop. Divers and snorkellers should be aware of potential hazards including jellyfish, sharp coral, and stonefish.

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.

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.

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.

Hanare Beach is a shallow reef site located 1000 metres off Zamami Island, Japan. Accessible only by boat, the site features depths ranging from 2 to 9 metres with an average of 6 metres. Visibility typically spans 10 to 25 metres, and the mild current provides comfortable conditions for beginners. The reef structure requires caution, as sharp coral and rocks are present. Snorkellers should remain vigilant for jellyfish when entering the water. Facilities including showers, changing rooms, and a dive shop are available nearby. Species recorded around this area include wrasses, Moorish idols, anemonefish, and various butterflyfish, though these are not confirmed at this specific site.

Shimozone is a drift reef located off Zamami Island, characterised by strong currents and depths reaching 25 metres. The site offers visibility between 20 and 30 metres, providing clear sight lines across the reef structure. Due to the challenging conditions, including documented down currents and strong water movement, this site is strictly for advanced divers. Boat access is required, and divers must be prepared for open-water pick-ups. The use of a reef hook and a surface marker buoy is essential for safety. Divers should maintain active buoyancy control throughout the dive and consult local operators regarding current conditions before planning a visit.

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.

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.