Ranked by the OnlyBeaches Index (OBI) โ a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.
Ariake Hidden Cove
Small hidden cove rarely visited along the coastline
Azuma Beach
Coastal area offering long shoreline and calm bay conditions
Azuma Hidden Shore
Underrated stretch beyond main Azuma coastline
Obama Beach (Ariake Side)
Known coastal stretch with gentle waters and local popularity
Obama Beach (Tachibana Bay)
Well-known hot spring town beach with calm bay waters
Obama Hidden Cove
Small hidden cove near Obama coastline
Obama Quiet Shore
Less crowded stretch near Obama main beach
Tachibana Bay Cove
Small sheltered cove along the bay
Tachibana Hidden Shore
Quiet coastal stretch with minimal visitors
Unzen sits in Nagasaki Prefecture, Japan and is home to 9 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index โ 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 Unzen or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.
