Fushikikokubu is a shallow site on the Izu Peninsula featuring a combination of natural and artificial reef structures. With a maximum depth of 5 metres and mild currents, it is well-suited for beginner divers. Shore entry provides convenient access, and the site is open for diving year-round. The habitat supports a variety of reef fish and invertebrates typical of the region. Because water temperatures fluctuate between 11 and 28 degrees Celsius, divers should select appropriate thermal protection based on the season. Guided tours are available through the on-site dive shop to assist with navigating the reef structures.

Okinose W Arch is a reef site defined by a prominent arch structure located 1000 metres offshore. The site ranges from 15 to 20 metres in depth, with an average of 18 metres. Due to strong currents that can shift quickly, this site is suited for intermediate divers. Divers should time their descent around slack water and maintain close contact with the boat crew during entry and exit procedures to avoid drifting. Water temperatures fluctuate significantly throughout the year, ranging from 11C in March to 26C in August and September. Facilities are limited, so divers must arrive fully prepared with their own equipment.

Oyashirazu is a shore-entry reef site located on the Izu Peninsula, Japan. The reef sits at depths between 5 and 13 metres, with an average depth of 6 metres, making it suitable for beginners. Divers and snorkellers can expect mild currents and visibility ranging from 5 to 20 metres. The site features rocky sections and crevices. Entry requires caution due to surf and a shore break; it is recommended to observe wave sets before entering. Facilities available on site include parking, showers, and a cafe. A typical dive lasts approximately 45 minutes.

Noto Island in Japan offers a reef dive extending from the surface to a depth of 25 metres. Suitable for beginners, the site features mild currents that keep conditions manageable. Divers access the reef via boat, though caution is required regarding surf and shore break during entry. Water temperatures fluctuate significantly throughout the year, ranging from 11 to 26 degrees Celsius. Local facilities provide air fills, equipment rental, and guided tours to support divers. As conditions can vary, it is recommended to consult with a guide regarding entry timing and seasonal thermal requirements before planning a dive.