Nagannu South is a reef site located off Zamami Island, suitable for both divers and snorkellers. The reef features depths ranging from 5 to 20 metres, with an average depth of 12 metres. Conditions are generally manageable with mild currents and visibility typically between 20 and 30 metres. Access to the site is by boat only. Water temperatures fluctuate between 22 and 29 degrees Celsius throughout the year. Divers and snorkellers should be aware that jellyfish are present in the water; wearing full-body protective clothing is recommended to minimise the risk of stings. Facilities including toilets, showers, and changing rooms are available at the departure point or on the boat.

Labyrinth on Tokashiki Island is a complex marine site defined by its intricate network of reefs, caves, and canyons. Divers navigate through these geological formations at depths ranging from 5 to 20 metres, with an average depth of 10 metres. The site is accessed exclusively by boat and is suitable for beginners, though conditions can vary with mild currents and occasional surf. Visibility is excellent, typically spanning 18 to 40 metres. Divers should remain aware of overhead environments and local boat traffic. Facilities available in the area include air fills, equipment rental, guided tours, boat charters, and showers.

Kamiyama North is a reef site located off Tokashiki Island in the Kerama Islands. The site features a reef wall with depths ranging from 6 to 16 metres, making it suitable for beginners. Divers and snorkellers can expect visibility between 10 and 30 metres. A moderate current is typical across the area, so it is recommended to plan dives by heading into the current first. Access to this site requires a boat. As facilities are not confirmed on-site, visitors should verify boat departure logistics and the availability of drinking water before arrival.

Nagannu North, located off Zamami Island, features a combination of shallow reef and a wall that descends to 20 metres. Divers can expect visibility between 20 and 30 metres and moderate currents. The site is suitable for beginners, though divers should remain aware of their depth as the reef drops away. Water temperatures range from 22 to 29 degrees Celsius throughout the year. Access is by boat, and facilities including toilets, showers, changing rooms, and gear storage are available at the boat operation. Due to the presence of jellyfish, wearing a full wetsuit or skin suit is recommended year-round.

Sanchin is a shallow reef located off Zamami Island, offering a manageable environment for beginner divers. The site features extensive hard coral formations across depths ranging from 5 to 15 metres, with an average depth of 10 metres. Visibility typically spans 10 to 30 metres, providing good views of the reef structure. Divers should maintain neutral buoyancy to avoid contact with sharp coral and rock edges. Access is exclusively by boat, and the site experiences mild currents. Water temperatures are warm, fluctuating between 22 and 29 degrees Celsius throughout the year. Divers should arrange all equipment and tank fills with their boat operator prior to departure.

Naminoue Beach on Tokashiki Island is a shallow shore-entry reef site reaching a maximum depth of 7 metres. This accessible location is suitable for beginners and those without certification. The site features mild currents, making for comfortable conditions, though visibility can vary depending on the day. Water temperatures range from 22C in the cooler months to 29C during the summer, allowing for year-round activity. Divers and snorkellers should check locally for current facility availability before visiting, as on-site amenities are subject to change. For the best visibility, plan your visit for a calm day.

Umisora Park in Naha is an artificial reef site featuring concrete breaker structures designed to encourage coral growth. Located near the city, this shore-entry site is suitable for beginners. Conditions vary, with visibility typically ranging between 3 and 10 metres. Water temperatures fluctuate throughout the year, ranging from 22C in February to 29C in the summer months. Facilities available at the site include parking, toilets, showers, and changing rooms. Guided tours are also available for those visiting the area. Divers and snorkellers should be aware of potential hazards, including low visibility, sharp coral, and the presence of stonefish.

Paraiso is a reef drift dive located off Zamami Island, Japan. Divers typically explore the site at depths between 8 and 17 metres, with visibility ranging from 20 to 30 metres. The site is characterised by strong currents that carry divers across the reef structure. Access is by boat only, and the site is suitable for beginners, though divers must remain close to their divemaster and avoid fighting the water flow. Hazards include strong currents and sharp coral formations, requiring careful buoyancy control during navigation and entry. Typical dive times are approximately 45 minutes, with water temperatures fluctuating between 22 and 29 degrees Celsius throughout the year.