Komatsu is a reef and kelp forest site located off the Izu Peninsula in Japan. Reaching depths of up to 17 metres, the site provides a suitable environment for beginner divers. The underwater topography features a mix of reef structures and kelp growth, which support a variety of temperate marine life and invertebrates. Water temperatures fluctuate significantly throughout the year, ranging from 12°C to 27°C, and a dry suit is often recommended during cooler months. Access is by boat only. Divers should remain aware of variable currents and active boat traffic in the area, particularly during surface ascents, and are advised to use a surface marker buoy.

Slope Beach is a shore-entry reef dive on the Izu Peninsula suitable for beginner divers. The reef topography slopes gently from 5 to 15 metres, providing a controlled environment to practice buoyancy. Divers can expect mild currents and visibility between 5 and 15 metres. The site features a variety of reef habitats that support diverse marine life, including various invertebrates and reef fish typical of the region. Shore entry requires caution due to sharp coral, rocks, and potential surge. On-site facilities include parking, toilets, showers, changing rooms, and a dive shop offering guided tours and equipment hire.

Otomi Beach is a shore-entry reef site in Japan suitable for beginners. The site features depths ranging from 1 to 10 metres with mild currents. Visibility varies significantly, fluctuating between 3 and 30 metres depending on conditions. The water temperature ranges from 12C in winter to 27C in late summer. The habitat supports a variety of reef fish and invertebrates typical of the region. Divers should be aware of potential hazards including jellyfish and stonefish. Facilities are available at the local dive shop.

Kanmurishima Island features a combination of wall and reef topography that descends to a maximum depth of 24 metres. This site is accessible only by boat and is suited for intermediate divers due to the presence of variable and potentially strong currents. Divers should monitor their depth closely as the wall drops quickly. Water temperatures fluctuate significantly throughout the year, ranging from 12 to 26 degrees Celsius, necessitating appropriate thermal protection depending on the season. Given the nature of the currents and depth, strong buoyancy control is required for a safe experience at this location.

Minami Echizen is a shore entry site on the Izu Peninsula featuring a diverse underwater landscape of reefs, artificial structures, and pinnacles. The site is suitable for beginners, with depths ranging from the surface to 10 metres and mild currents. A thermocline often exists, separating warmer surface layers from cooler deeper water. Shore facilities include parking, toilets, showers, a rinse station, and equipment rental, making it convenient for visitors to manage their gear. Visibility can shift significantly between visits, which influences the overall experience. The site is accessible year-round for both diving and snorkelling activities.

Kabushiwa is a shore-entry reef site located on the Izu Peninsula in Japan. The site reaches a maximum depth of 13 metres and features mild currents, making it suitable for beginner divers. The topography consists of rocky structures and mossy corals. Divers should exercise caution during entry due to the presence of sharp rock in the shallow areas; wearing protective footwear and gloves is recommended. Water temperatures fluctuate significantly throughout the year, ranging from 12 to 27 degrees Celsius. As facilities are not confirmed at this location, visitors should arrive prepared with all necessary gear and supplies.

LOG Mae is a shore-entry reef dive located on the Izu Peninsula in Japan. The site reaches depths of up to 23 metres and is characterised by mild currents, making it a suitable location for beginner divers. The reef structure provides a habitat for various crustaceans and small invertebrates, while open water areas occasionally see passing pelagic fish. Facilities available on-site include air fills, equipment rental, and guided tours. Given the water temperature range of 12 to 26 degrees Celsius, divers should verify current conditions to select appropriate thermal protection before entering the water.

Omi-Maiko Nakahama Beach is a sheltered freshwater shore entry site in Japan, well suited to beginners and those looking to build confidence in calm conditions. The site features a shallow profile with depths ranging from 1 to 5 metres, averaging 3 metres. Divers can expect mild currents and visibility typically between 3 and 10 metres. The site is equipped with parking, toilets, and showers, allowing for a comfortable experience. A typical dive lasts around 60 minutes. Due to its popularity, arriving early on weekends is recommended to secure parking.