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.

Sunabe Seawall is a shore-entry reef site located off Tokashiki Island, Japan. The topography spans depths between 5 and 25 metres, with an average depth of 15 metres. Visibility typically ranges from 10 to 30 metres. While currents are generally mild, the site is subject to rip currents and stronger water movement, requiring intermediate skill levels to navigate safely. Divers should monitor local conditions closely and identify exit points before entry. The site is accessible for night diving, offering a different experience after dark. Water temperatures fluctuate between 22C and 29C throughout the year, necessitating appropriate exposure protection for the season.

Makiminato is a shore-entry reef site on Tokashiki Island, Japan, suitable for both divers and snorkellers. The reef topography ranges from 5 to 13 metres in depth, with an average of 10 metres. Conditions are generally accessible, featuring mild currents and visibility ranging from 10 to 25 metres. The site is open for day and night diving, with parking available on-site. Divers should be aware of sharp coral and rocks during entry; wearing protective footwear is recommended. Water temperatures fluctuate between 22C and 29C throughout the year. Typical dive times are approximately 50 minutes.

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.

Kuefu Island North is a shallow reef site located off Zamami Island, Japan. The reef extends from the surface to a maximum depth of 14 metres, featuring mild currents that make it suitable for beginners. Access to this site is exclusively by boat, requiring a journey of approximately 10 kilometres from the shore. Water temperatures are temperate, ranging from 22 to 29 degrees Celsius throughout the year. Due to the nature of boat-based access, divers and snorkellers must remain vigilant regarding boat traffic. Always use a surface marker buoy to ensure visibility to passing vessels while at the surface.

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.

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.