Kujuppama Beach on the Izu Peninsula is a small cove featuring a white sand bottom and rocky outcrops. Snorkelling is best concentrated around the rocky formations located at the northern end of the beach. The site is suitable for beginners and offers shore access. Water temperatures fluctuate between 18C and 28C depending on the month. Facilities available at the site include parking, toilets, showers, changing rooms, and a rinse station. Equipment rental is also provided for visitors. Divers and snorkellers should remain aware of the presence of jellyfish in the area, and currents are generally mild.

Shobusawa Beach is a shore-accessible site on the Izu Peninsula featuring both reef and wreck topography. The reef starts in shallow water and extends to a maximum depth of 24 metres, with an average depth of 10 metres. Conditions are generally mild, with currents remaining light and visibility ranging from 5 to 25 metres. The site is suitable for beginners and supports night diving. Water temperatures fluctuate between 18C and 26C, necessitating appropriate thermal protection, particularly during winter and spring months. On-site facilities include a dive shop, air fills, showers, changing rooms, and a rinse station.

Mitsune is a challenging drift dive located off the Izu Peninsula, characterised by strong currents and depths typically between 19 and 22 metres. Due to hazardous shore breaks, boat access is mandatory for all dives. Visibility at the site ranges from 15 to 30 metres, providing clear sightlines across the underwater topography. Water temperatures fluctuate between 18C and 27C, influenced by the Kuroshio Current, with wetsuits recommended outside of summer. This site is strictly for advanced divers who possess strong buoyancy control and current-reading skills. A surface marker buoy is essential equipment for all divers here. Equipment rental is available locally.

Mikomoto Island is a small, uninhabited island located 10 kilometres off the southeast coast of the Izu Peninsula. This drift and reef site is defined by its challenging environment, featuring strong currents and shoals that have historically served as a significant navigational point. Divers typically experience depths between 20 and 35 metres, with an average of 25 metres. Due to the fierce currents and depth, this site is strictly for advanced divers. Access is exclusively by boat. Visibility ranges from 14 to 30 metres, and water temperatures fluctuate between 14 and 25 degrees Celsius depending on the season. The island is marked by the Mikomotojima Lighthouse, the oldest stone lighthouse in Japan.

Budaine is a drift dive located off the Izu Peninsula, Japan, characterised by strong currents that require advanced diving skills. The site reaches depths of 24 metres and is strictly a boat-access location. Divers should be prepared for shifting conditions and must maintain confident buoyancy control throughout the dive. Due to the nature of the current, it is essential to carry a surface marker buoy and deploy it early during ascent to ensure visibility to the boat crew. The site supports a variety of marine life typical of the region's habitat, including various reef fish and invertebrates.

Kadone is a wall and drift dive site located off the Izu Peninsula, Japan. Reached exclusively by boat, the site features a vertical wall structure that descends to a maximum depth of 22 metres. Divers must be prepared for strong currents that persist throughout the dive, requiring advanced buoyancy control and constant situational awareness. Due to the demanding nature of the flow, which can make entry and exit challenging, it is essential to coordinate with local boat operators regarding tide stages. Water temperatures fluctuate between 18C and 27C throughout the year, necessitating appropriate exposure protection for the season. Divers should remain close to their team and monitor their position relative to the boat at all times.

Enokuchi is a drift dive site located off the Izu Peninsula, Japan, characterised by strong currents and open water conditions. The site reaches a maximum depth of 23 metres, with visibility typically ranging between 20 and 30 metres. Due to the significant current and the presence of shark species, this site is strictly for advanced divers. Access is by boat only, and divers must coordinate closely with their skipper regarding current timing and surface signalling protocols. Water temperatures fluctuate between 18 and 26 degrees Celsius throughout the year. Divers should maintain strict buoyancy control and monitor their depth gauges closely while navigating this dynamic marine environment.

A Point is a reef dive located off the Izu Peninsula, Japan, reaching depths of 21 metres. This boat-accessible site is suited for intermediate divers due to moderate currents and consistent surge. Visibility typically ranges between 10 and 25 metres. The reef structure supports a variety of temperate marine life, including reef fish and invertebrates common to the region. Water temperatures fluctuate from 18C in winter to 27C in summer, requiring appropriate thermal protection. Divers should monitor conditions closely for surge and swell activity, which can intensify around the reef, and manage buoyancy accordingly throughout the 50-minute dive.