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.