Top Diving & Swimming Spots

Miyako Island's limestone geology creates a unique underwater landscape of intricate caves, tunnels, and arches. This collection highlights the island's premier diving sites, including the complex cathedral-like structures of Antoniogaudei and the light-filled chambers of Cross Hall. For swimmers, Boragawa Beach offers clear waters and access to sea caves. These locations are characterized by exceptional visibility, often exceeding 30 meters, due to the absence of rivers on the island, supporting diverse marine life and dramatic rock formations.

Antoniogaudei

A complex underwater limestone formation featuring multiple interconnected arches and holes. The structure creates dramatic light effects reminiscent of Antoni Gaudí’s architectural designs.

Nakanojima Channel

A narrow underwater crevice and channel system. It is a site for observing macro marine life and navigating through intricate rock passages.

Kurosuhôru

An underwater cave featuring a cross-shaped opening in the ceiling. Sunlight filtering through the aperture creates a distinct cross of light on the cavern floor.

W-Achi

Two large, adjacent limestone arches that form a W-shape. The site features various swim-throughs and is home to schools of sweepers and other reef fish.

L-Achi

A massive underwater limestone arch shaped like the letter L. The site features a vertical drop-off and deep-water rock formations.

Hanadainone

A coral reef site named for its large population of sea goldies, or Hanadai. The area features vibrant soft corals and diverse reef fish.

Boragawa-Beach

A white sand beach featuring a natural freshwater spring pool. It serves as the starting point for kayak tours to nearby limestone sea caves.