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.

Osaki Batfish Reef in the Kabira Area is a reef site ranging from 5 to 35 metres in depth, with an average depth of 15 metres. Accessible only by boat, the site is located 300 metres from shore. Divers encounter moderate currents that can shift and intensify, requiring careful planning with boat crews. Visibility typically ranges between 20 and 30 metres. The topography features reef structures that demand caution regarding sharp coral, sea urchins, and stonefish. Due to the potential for strong currents, particularly at the surface, this site is best suited for those comfortable with variable conditions. Typical dive times are approximately 50 minutes.

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.

Sakieda Maze is a reef and cave system located in the Kabira Area of Ishigaki Island. Suitable for beginners, the site features depths ranging from 3 to 15 metres with mild currents. Access is by boat only, and divers should be prepared to carry all necessary equipment on board as there are no facilities at the site. Visibility can vary significantly, so it is recommended to check current conditions with your dive operator before departure. Species recorded around this area include green sea turtles, reef manta rays, nudibranchs, ribbon eels, sea kraits, various triggerfish, wrasses, and giant clams.

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.

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.

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.

Phantom Island, also known as Hamashima, is a crescent-shaped sandbar in the Kabira Area that emerges only during low tide. Located within the Sekisei Lagoon, this site offers shallow coral gardens suitable for beginners. Snorkelling takes place in depths ranging from 1 to 10 metres, with an average depth of 5 metres. Access is by boat, as the site is approximately 10 kilometres from the shore. Conditions are generally mild with visibility between 15 and 30 metres. Water temperatures fluctuate between 23C and 30C throughout the year. Facilities at the site include showers. Divers and snorkellers should be aware of sharp coral in the area.