Chishi is a reef site located off Zamami Island in the Kerama Islands, Japan. Accessible only by boat, the site features a shallow reef structure starting at 1 metre and extending to 16 metres. With mild currents and visibility ranging from 10 to 30 metres, it is well-suited for beginner snorkellers. Water temperatures remain between 22 and 29 degrees Celsius throughout the year. Divers and snorkellers should be aware that jellyfish are present in the area. It is recommended to wear a full-length wetsuit or rash guard to protect against stings. As facilities at the site are unconfirmed, visitors should coordinate with their boat operator regarding necessary equipment and supplies.

Ugan is a boat-access wall and reef drift site located off Zamami Island. The topography features a wall and reef structure ranging from 8 to 19 metres in depth. Visibility at this site is typically between 20 and 30 metres. Strong currents are a defining characteristic of this location, requiring divers to remain vigilant throughout the profile. Due to the significant depth and the intensity of the currents, this site is reserved for advanced divers. Divers must monitor their bottom time and gas consumption closely. Boat access is required to reach the site, and solo diving is not advised.

Nita Cave is a boat-accessed dive site located 1000 metres off the coast of Zamami Island. The site consists of a single-depth cave at 15 metres, requiring intermediate skill levels and advanced certification due to the overhead environment. Divers must manage gas supplies carefully and maintain buoyancy control throughout the penetration. Visibility varies significantly from 10 to 40 metres, and mild currents are typical. Water temperatures range from 22 to 29 degrees Celsius throughout the year. Divers should carry both primary and backup torches to navigate the darker recesses of the cave, as natural light is limited inside the structure.

Inoo Beach is a reef site located on the northern side of Zamami Island. The name translates to shallow sea surrounded by coral, reflecting the site's topography. Access is via a shore entry, and the location is suited for intermediate snorkellers. Visibility at the site varies between 5 and 25 metres, and currents are generally mild. Water temperatures fluctuate throughout the year, ranging from 22C in February to 29C during the summer months. Snorkellers should exercise caution regarding sharp coral present in the area.

Zamami Cove, located off Zamami Island, features a reef and cave system at depths between 12 and 15 metres. This site is accessible only by boat and is suitable for beginner divers. Visibility typically ranges from 10 to 30 metres. Divers should be aware of moderate currents and remain close to their group. Hazards include boat traffic, jellyfish, sharp coral, and stonefish. Species recorded around this area include green sea turtles, titan triggerfish, clown triggerfish, broadclub cuttlefish, wrasses, Ijima's sea snakes, and blackback anemonefish. Local dive shops provide guided tours, equipment rental, and air fills to assist with navigation and safety.

Cape No.7, also known as Nanabansaki, is a drift dive site located 3000 metres off Zamami Island. The topography features a wall and reef system with depths ranging from 8 to 30 metres, averaging 18 metres. Due to strong currents, this site is suited for advanced divers. Visibility typically spans 15 to 30 metres. Water temperatures fluctuate between 22C and 29C throughout the year. Divers should be aware of hazards including jellyfish, sharp coral, and strong currents. Boat access is required for all dives, which generally last 50 minutes. Species recorded around this area include clown triggerfish, Ijima's sea snake, lined butterflyfish, and various species of butterflyfish, parrotfish, and pufferfish.

In the Stream is a shore-entry drift dive located 50 metres off Zamami Island. The site features a reef structure ranging from 8 to 25 metres in depth, with an average depth of 15 metres. Divers experience moderate currents that require careful planning to ensure a smooth drift along the reef. Visibility typically fluctuates between 10 and 25 metres. Due to the presence of surge and sharp coral in the shallows, precise buoyancy control is essential during entry and throughout the dive. This site is suited for intermediate divers capable of managing moving water and changing current conditions.

Joy Joy is a reef site located off Zamami Island, offering depths ranging from 5 to 30 metres with an average of 15 metres. The site is accessible only by boat and features moderate currents, making it suitable for beginners who should remain mindful of buoyancy to avoid sharp coral and rocks. Visibility typically spans 15 to 30 metres. Water temperatures fluctuate between 22 and 29 degrees Celsius throughout the year. Divers should remain vigilant regarding boat traffic during entry and exit, as well as the presence of sharks in deeper sections. Guided tours are recommended to navigate the reef structure effectively.