Namerikawa is an artificial shore dive located on the Izu Peninsula in Japan. The site offers depths ranging from the surface down to 14 metres, making it accessible for beginner divers. Conditions are generally mild, though visibility is variable and can occasionally drop to zero. Water temperatures fluctuate significantly throughout the year, ranging from 11 to 27 degrees Celsius. Due to the risk of cold water and potential for low visibility, divers should use caution and carry a torch even during daylight hours. On-site facilities include parking, toilets, showers, changing rooms, and a rinse station, supporting a comfortable post-dive experience.

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.