Izu Peninsula and Hachijojima offer a diverse underwater environment featuring reefs, walls, wrecks, kelp forests, and artificial reefs. This site is suited for intermediate divers due to moderate currents and significant depth changes. Visibility typically ranges from 10 to 30 metres. Water temperatures fluctuate between 11C and 27C, requiring careful selection of thermal protection. Shore entries require caution due to potential surf and surge. The area supports a variety of temperate marine life and invertebrates within its diverse habitats. Guided tours and dive shops are available to assist with navigation and site access.

Fizz is a shore-entry reef site located on the Izu Peninsula, Japan. This site features shallow, calm water, making it a practical location for newer divers to gain experience. Access is available year-round without the need for a boat. Water temperatures fluctuate significantly throughout the year, ranging from 11 degrees Celsius in winter to 27 degrees Celsius in August. Due to these variations, a thick wetsuit or drysuit is essential during cooler months. Visibility at the site is variable, and divers should check local conditions and facility availability before planning a dive.

Timon Ocean Fantasy is a shore-entry reef site located on the Izu Peninsula. The site features shallow, calm waters, providing a suitable environment for new divers to build confidence. Conditions and visibility are variable, and water temperatures fluctuate significantly throughout the year, ranging from 11C in February to 27C in August. Divers should plan their exposure protection accordingly, as a drysuit or thick wetsuit is recommended between late autumn and early spring. As facilities are unconfirmed, it is essential to contact a local dive operator or the nearest dive shop to verify current site conditions and available amenities before planning a visit.

Zushi is a wall and reef site located off the Izu Peninsula and Hachijojima, Japan. The topography reaches a maximum depth of 22 metres and is suitable for beginner divers. The site features a combination of wall and reef structures, with sea squirts attached to the wall surface. Divers should note that boat access is required, and conditions include mild currents. Water temperatures fluctuate between 16C and 25C throughout the year. Due to the presence of boat traffic, divers must remain alert during ascent and descent procedures and should deploy a safety sausage when surfacing near the boat. Visibility is variable, so checking local conditions before diving is recommended.

Grampus is a shore-entry reef dive located on the Izu Peninsula, Japan. The site features shallow depths, providing a forgiving environment for beginners to practice buoyancy control and build confidence. Water temperatures fluctuate throughout the year, ranging from 17C in the winter months to 27C in late summer, requiring divers to select appropriate thermal protection. Because currents at the site are variable and local facilities are limited, it is recommended to contact a local dive operator before visiting to obtain an up-to-date conditions report and confirm necessary equipment. The site is accessible year-round, allowing for flexible planning around calmer weather periods.