Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.
Hiai Beach
Lesser-known beach offering quiet local seaside experience
Ikeshima Beach
Small hidden bay with tranquil waters
Kameura Beach
Pebble shoreline offering peaceful views
Maejima Island Beach
Island-style beach with scenic bridges and calm clear waters
Matsushima Beach
Coastal area with iconic island-dotted scenery
Oyanoshima Beach
Calm shoreline near main transport routes popular with locals
Pearl Sun Beach
One of the most developed and accessible beaches in Amakusa with resort feel
Ryugatake Beach
Known for panoramic coastal views and relaxed beach atmosphere
Ryugatake Cove
Small scenic cove with calm water
Shirohama Beach
Quiet white sand beach away from crowds
Takabuto Beach
Rugged coastal stretch with dramatic scenery
Kami-Amakusa sits in Kumamoto Prefecture, Japan and is home to 11 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.
Whether you're after the highest-scoring beach in Kami-Amakusa or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.
