Sakieda Big Arch is a boat-access reef dive located in the Kabira Area of Ishigaki Island. The site features a reef structure at depths between 12 and 17 metres, with an average depth of 16 metres. Divers experience mild currents and visibility typically ranging from 20 to 30 metres, making it suitable for beginners. The reef is covered in shallow corals, and schools of snappers are regularly observed along the structure. Species recorded around this area include Kelp Shrimp, which can be found tucked into crevices. Water temperatures at the site fluctuate between 23 and 30 degrees Celsius throughout the year.

Oganzaki Lighthouse offers a combination of cave and reef diving in the Kabira Area of Ishigaki Island. The site features depths ranging from 5 to 16 metres, with an average of 10 metres, making it suitable for beginners. Divers experience mild currents and visibility between 15 and 30 metres. Access is by boat, and divers must exercise caution due to potential surf and shore break during entry and exit. Protective footwear is recommended to avoid injury from sharp coral and rocks. Species recorded around this area include green sea turtles, reef manta rays, leaf scorpionfish, titan triggerfish, sea kraits, nudibranchs, ribbon eels, coral grouper, wrasses, and various anemonefish.

Sukuji Gurukun Rock in the Kabira Area features a combination of reef and wall topography. The site reaches depths of 10 to 24 metres, with visibility typically ranging between 20 and 30 metres. Divers should expect mild currents, though stronger surges can occur. Access is by boat only, and divers must exercise caution during entry and exit due to potential surf and shore break conditions. The site is best suited for intermediate divers. Facilities including toilets and showers are available. Morning departures are recommended to avoid building winds and increased surge along the wall.

Located in the Kabira Area of Ishigaki Island, this shallow reef site offers a relaxed environment suitable for those new to ocean diving. Access is exclusively by boat. Water temperatures range from 23C in February to 30C in July and August, allowing for comfortable diving in a thin wetsuit or rashguard. Visibility at the site varies, meaning conditions change from visit to visit. The facility provides parking, showers, and an on-site cafe for post-dive convenience. Guided tours are available and recommended for first-time visitors to help navigate the reef effectively.

Nagura Coral Garden is a reef site located in the Kabira Area of Ishigaki Island. The topography consists of coral structures, including table coral formations, ranging from 5 to 16 metres in depth. With mild currents and an average depth of 10 metres, the site is suitable for beginners. Visibility varies between 5 and 20 metres. Access is by boat only. Divers should maintain neutral buoyancy to avoid contact with the substrate, as sharp coral and rocks are present throughout the reef area. Water temperatures range from 23 to 30 degrees Celsius throughout the year.

Manta Scramble is a reef site located 300 metres offshore in the Kabira Area of Ishigaki Island. This site is accessible only by boat and is suitable for beginners, with depths ranging from 5 to 25 metres and an average depth of 10 metres. Divers and snorkellers can expect mild currents and visibility between 20 and 30 metres. The site is a well-known cleaning station where marine life congregates. Hazards include boat traffic, sharp coral, strong currents, and surf. Water temperatures fluctuate between 23C and 30C throughout the year. Guided tours and boat charters are available for those visiting this location.

Emperor’s Chair is a deep drift dive located in the Kabira Area of Ishigaki Island. The site features a reef structure ranging from 20 to 40 metres in depth, with visibility typically between 20 and 30 metres. Due to the strong currents present throughout the area, this site is strictly for advanced divers with proficient buoyancy and drift diving skills. Boat access is required, and divers should coordinate with their operator to time entries with slack water or the early phase of the current. Species recorded around this area include reef manta rays, green sea turtles, various wrasses, anemonefish, and triggerfish.

Osaki Beach in the Kabira Area is a sheltered reef site located on the west coast of Ishigaki Island. The reef edge sits approximately 200 metres from the shore, featuring coral gardens and drop-offs that reach depths of up to 30 metres, with an average depth of 5 metres. The site is accessible via a shore entry and is suitable for beginners due to the mild currents and calm conditions, even during periods of strong northern winds. Visibility typically ranges between 10 and 30 metres. Parking facilities are available for visitors. Divers and snorkellers can expect a typical session duration of 60 minutes.