This dive site, Rainbow Arch, is located in Aigaura, Minami Ise, Mie, Japan. It is characterized by a massive underwater arch with a ceiling spectacularly adorned with vibrant soft corals. Divers can easily navigate through the arch, exploring its nooks and crannies without complex routes, making it enjoyable for various skill levels. No specific history or story is provided beyond its natural features.
The arch and surrounding area are teeming with marine life. Macro enthusiasts will delight in observing rock lobsters, various nudibranchs, shrimp, eels, longnose hawkfish, giant frogfish, and scorpionfish. For wider shots, Japanese rockfish, snappers, and hawksbill turtles can be spotted amidst the colorful soft coral formations.
The optimal time to visit Rainbow Arch for diving and snorkeling is from spring to fall, ensuring top visibility and the most vibrant scenery. Its shallow depths (max 15m, avg 7m) make it ideal for both scuba divers and freedivers looking to explore the arch and its abundant marine life. Both wide-angle and macro photographers will find ample subjects here.

