Miyagi Channel offers a diverse underwater landscape featuring reefs, pinnacles, walls, and caverns. Located off Tokashiki Island, the site ranges from 8 to 30 metres in depth with visibility typically between 20 and 30 metres. This site is strictly for advanced divers due to variable and potentially strong currents that require careful planning around slack water. Divers should maintain buoyancy control to avoid sharp coral and rocks. Hazards include jellyfish, stonefish, lionfish, and sea urchins on the seafloor. Boat access is required for all dives, and operators should be consulted regarding current conditions before entry.

Cappadocia is a reef snorkel site located off Tokashiki Island in the Kerama Islands of Japan. Accessible by boat, the site features depths ranging from the surface down to 20 metres. The topography consists of reef formations that require caution due to the presence of sharp coral and rocks in shallower areas. Water temperatures vary between 22 and 29 degrees Celsius throughout the year. Snorkellers should be aware of moderate currents, potential rip currents, and surf conditions. It is recommended to wear reef shoes or fins to protect against sharp substrate and to remain within sight of the boat at all times.

Hamahiga Beach on Tokashiki Island is a shallow shore entry site featuring a combination of natural reef and artificial reef structures. With depths ranging from 1 to 4 metres and mild currents, it is well-suited for beginners and snorkellers. Visibility typically spans 5 to 15 metres, allowing for observation of the local reef habitat. Water temperatures remain comfortable throughout the year, fluctuating between 22 and 29 degrees Celsius. On-site facilities include parking, toilets, and showers, providing convenience for visitors. The site is best accessed in the morning when direct light enhances visibility across the shallows.

Sand Way is a reef site located off Tokashiki Island, Japan, offering a dive experience suitable for beginners. The site features a sandy substrate and reef topography at depths ranging from 4 to 20 metres, with an average depth of 10 metres. Access is strictly by boat, as the site is situated 1000 metres from the shore. Divers should be prepared for moderate currents that can strengthen with little warning, requiring careful buoyancy management and close attention to local conditions. Visibility at the site typically ranges between 10 and 20 metres, with water temperatures fluctuating between 22C and 29C throughout the year.

Yokohishi is a shallow reef site located off Tokashiki Island, Japan, featuring depths ranging from the surface to 15 metres. The topography consists of reef structures including isobana, blue corals, and shikoro coral. Divers should be prepared for moderate currents, which are a consistent factor at this location. Due to the presence of sharp coral and rock formations, careful buoyancy control is required to avoid contact with the reef. This site is accessible only by boat and is suited for intermediate divers. The habitat supports a variety of reef fish and invertebrates typical of the Kerama Islands region.

Ukibaru North is a gentle reef dive located 300 metres off Tokashiki Island. The site features a reef structure dominated by fan corals, with depths ranging from 10 to 16 metres and an average of 13 metres. It is suitable for beginner divers, offering mild currents and visibility between 10 and 30 metres. Access is by boat only, and there are no fixed services at the location. Divers should arrange transport and facility requirements in advance. Water temperatures remain comfortable throughout the year, ranging from 22 to 29 degrees Celsius, making it a reliable destination for those seeking a relaxed reef experience.

Legare-J Underwater Studio is an artificial reef site located off Tokashiki Island in the Kerama Islands. The site offers a shallow diving experience with depths reaching up to 10 metres. Entry is via the shore, and the area typically experiences mild currents. The site is suitable for beginners and provides facilities including parking, toilets, showers, changing rooms, and air fills. Guided tours are available for those exploring the artificial structures. Divers should be aware of sharp coral in the vicinity. Water temperatures range from 22C in the winter months to 29C during the summer.

Kin Red is a shallow muck and reef site located off Tokashiki Island. The topography consists of a sandy bottom interspersed with small rocks that provide habitat for aquatic life. With an average depth of 3 metres, this site is suitable for beginners. Divers should maintain precise buoyancy control, as the sandy substrate is easily disturbed, which can rapidly reduce visibility from 8 metres to less than 1 metre. Access is available via both shore and boat, though diving is prohibited when a boat is docked at the port. Conditions are generally mild, with water temperatures ranging from 22C to 29C throughout the year.