Best beaches in Isahaya

3 ranked beaches in Isahaya, Nagasaki Prefecture

Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.

All beaches in Isahaya

1
Isahaya Bay Beach
Wide coastal stretch along quiet bay with open views
7.0
2
Isahaya Hidden Shore
Rarely indexed shoreline
7.0
3
Konagai Coast Beach
Long scenic shoreline with views across bay
7.0

What makes Isahaya's beaches stand out?

Isahaya sits in Nagasaki Prefecture, Japan and is home to 3 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 Isahaya or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.