Onna Point is a reef and cave system located off Tokashiki Island, Japan, featuring depths ranging from 3 to 25 metres. The site is characterised by hard coral structures and is accessible only by boat to avoid surf and shore breaks. Divers should be aware of potential rip currents and strong surges near the reef and cave formations. Visibility typically fluctuates between 10 and 25 metres, with water temperatures ranging from 22C to 29C. Due to the presence of sharp coral and rocks, protective footwear and exposure protection are recommended. This site is best suited for intermediate divers who can manage variable current conditions.

Capybara, located off Tokashiki Island, offers a diverse underwater landscape featuring a wall, reef, and cave system. The site reaches a maximum depth of 26 metres and is accessible only by boat. Divers encounter mild currents, though conditions vary, making it suitable for intermediate divers. The topography includes cave sections that require careful buoyancy control and awareness of confined spaces. Water temperatures range from 22C to 29C throughout the year. Due to the depth and the nature of the cave structures, divers should monitor their air reserves and depth closely during the dive.

Mermaid's Grotto on Tokashiki Island is a reef and cave site accessible via a shore entry. Divers and snorkellers can access the water through a channel, which provides sufficient depth to don fins before swimming 50 metres to the deeper areas. The site features rock formations and reaches depths between 10 and 24 metres, with an average of 22 metres. Conditions include moderate currents, surge, and potential thermoclines, with visibility ranging from 10 to 25 metres. Due to the overhead environment and depth, this site is suited for intermediate skill levels. Night diving is permitted, and parking is available at the location.

Mermaid's Grotto, also known as Apogama, is a marine site on Tokashiki Island featuring a natural cave and a distinct heart-shaped rock formation. The underwater topography consists of deep channels and arches. Access is via a shore entry through a narrow rocky channel, which can be challenging to navigate. Due to the nature of the entry and the site's topography, this location is suited for advanced snorkellers. Water temperatures at the site range from 22C in the winter months to 29C during the summer. Snorkellers should exercise caution when entering and exiting the water through the rocky passage.

Manzamo on Tokashiki Island features a diverse topography of reef, wall, and cave systems ranging from 5 to 30 metres in depth. Visibility is high, typically between 20 and 40 metres. Divers may encounter whitetip reef sharks, day octopuses, Indian lionfish, and turkey morays, alongside various nudibranchs, flatworms, and anemonefish. The site requires boat access and is suited for intermediate divers due to moderate currents and an overhead cave environment. Proper buoyancy control is essential when navigating the wall and cave sections. Local facilities include air fills, equipment rental, and showers, supporting multi-dive days.

Toilet Bowl on Tokashiki Island is a complex dive site featuring a mix of reef, wall, and cavern topography. Suited for advanced divers, the site is known for strong, shifting currents that may necessitate an exit away from the entry point. Entry and exit are challenging, requiring navigation over sharp limestone rocks. Divers can observe a variety of marine life, including Whitetip Reef Sharks, Turkey Moray, Indian Lionfish, Day Octopus, and Chromodoris Nudibranch. Other species recorded here include Clark's Anemonefish, Elongate Clam, Cinderella Sea Slug, Pacific Sailfin Tang, various wrasses, Pacific Trumpetfish, flatworms, Heavenly Wart Slugs, and common sea stars. Depths range from 9 to 12 metres with visibility between 9 and 24 metres.

Manza Dreamhole is a complex marine site off Tokashiki Island featuring a combination of reef, cave, wall, and drop-off topography. Divers typically explore depths ranging from 5 to 40 metres, with an average depth of 25 metres. Access is by boat only, and the site is suited for advanced divers due to potential strong currents and surf conditions. Visibility is generally high, ranging between 25 and 40 metres. Marine life observed at the site includes whitetip reef sharks, Indian lionfish, Clark's anemonefish, and various nudibranchs such as the Chromodoris, Varicose wart slug, and Heavenly wart slug. Other residents include wrasses, soldierfish, sea stars, crabs, and elongate clams.

Manza Chapel is a diverse marine site featuring a combination of reef, wall, and cave topography. Divers can explore dramatic drop-offs and underwater caves that reach depths of up to 40 metres, with an average depth of 25 metres. Entry is possible from both the shore and by boat, with a collapsed staircase leading to a pier for quick access to deeper water. Conditions vary, with moderate currents and visibility typically ranging between 15 and 30 metres. The site is suited for intermediate divers due to the deep water and overhead environments. Facilities at the location include parking, toilets, showers, equipment rental, and air fills.