Kerama Islands Snorkeling & Diving Guide 2026: Okinawa’s Marine Paradise
Thirty-five kilometers west of Naha, the Kerama Islands sit in a protected sea zone whose water is so extraordinarily clear and deeply blue that divers and snorkelers coined a specific term for it: Kerama Blue. The designation is unofficial but universal — anyone who has floated face-down over the coral gardens of Zamami or Aka Island understands immediately that the water here is something different in kind from coastal Japan, or indeed from most of the world. Visibility of 30–50 meters is the norm, not the exception. Sea turtles are so reliably present at Furuzamami Beach that local operators warn […]