Tokomasari Reef is a drift dive site located off Zamami Island, Japan. Divers can explore the reef structure from the shallows down to a maximum depth of 20 metres. The site is characterised by moderate currents and visibility ranging between 20 and 30 metres. Access is strictly by boat, and the site is suitable for advanced divers due to the potential for strong and rip currents. Night diving is available at this location. Divers should maintain neutral buoyancy to avoid contact with sharp coral, rocks, sea urchins, and stonefish. Full protective suits are recommended to mitigate the risk of jellyfish stings.

Odo Beach, also known as John Man Beach, is a natural reef site on Tokashiki Island. This shore-entry location features a shallow inner lagoon protected by an outer reef, making it suitable for beginners. Depths range from 1 to 12 metres, with an average of 5 metres. Visibility typically varies between 10 and 25 metres, and currents are generally mild. Facilities available at the site include parking, toilets, and showers. Visitors should be aware of potential hazards including jellyfish, sharks, sharp coral, strong currents, and surf. The site is well-regarded for snorkelling, with typical sessions lasting around 45 minutes.

Oodo Beach on Tokashiki Island features a combined natural and artificial reef structure accessible directly from the shore. The site ranges from 1 to 12 metres in depth, making it suitable for beginner divers to gain experience in a marine environment. Visibility typically spans 10 to 25 metres, allowing for clear observation of the reef topography. While currents are generally mild, they can strengthen, and divers should remain aware of rip currents. Protective footwear is recommended to avoid injury from sharp coral, sea urchins, and stonefish present on the substrate. On-site facilities include parking, toilets, showers, and changing rooms.

Channel Crevices on Tokashiki Island is a complex reef site featuring walls, caverns, and multiple swim-throughs. Divers enter from the shore at Long Beach, crossing the reef to reach the deeper sections. A channel known as the Lazy River facilitates access to deeper water, though timing the tide is essential to manage the strong currents. The site reaches depths of 12 metres with visibility extending up to 45 metres. Due to the potential for rip currents and strong water movement, this site is suited for intermediate divers. A torch is recommended for navigating the cavernous swim-throughs. Facilities at the entry point include parking and toilets.

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.

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.

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.