Occhogahama is a shore-entry cave dive located in Hachijojima, Japan. The site features an overhead environment with depths ranging from 5 to 19 metres, averaging 12 metres. Divers encounter mild currents and visibility typically between 15 and 30 metres. This site is suitable for intermediate divers, though cave certification is required to enter restricted overhead areas. Night diving is permitted, during which macro life on the cave walls becomes active. Divers should ensure their cave light kits are fully charged before entry. The habitat supports a variety of reef fish and invertebrates typical of the region.

Sokodo is a shore dive on Hachijojima featuring a combination of natural reef and artificial reef structures. The site is suitable for beginners, with depths ranging from 3 to 18 metres and mild currents. Visibility typically spans 15 to 30 metres. Divers should exercise caution during entry due to surf and shore break conditions, and remain aware of potential surge in shallower areas. Water temperatures fluctuate between 20 and 28 degrees Celsius throughout the year. On-site facilities include parking, showers, and a rinse station to assist with gear management.

Nazumado in Hachijojima, Japan, features a combined wall and reef topography ranging from 5 to 21 metres in depth. The site is influenced by the Kuroshio Current, which brings warm water and plankton to the area. Divers can expect visibility between 15 and 20 metres. The shore entry requires caution due to surf and breaking waves, and protective footwear is mandatory to navigate sharp coral and rocks. Moderate currents are present, making this site suitable for intermediate divers. The habitat supports a variety of reef fish and invertebrates typical of the region.