Explore the mesmerizing Blue Cave, one of Okinawa’s top marine attractions, found in three stunning locations: Cape Maeda on the main island, Ishigaki Island, and Miyakojima. Famous for its glowing blue waters and rich marine life, this natural sea cave is perfect for snorkeling, diving, kayaking, or SUP. With beginner-friendly and family tours available, the Blue Cave offers unforgettable adventures and up-close encounters with Okinawa’s vibrant underwater world.