Best beaches in Nagaoka

7 ranked beaches in Nagaoka, Niigata 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 Nagaoka

1
Nozumi Beach
Popular swimming beach
7.0
2
Nozumi Hidden Cove
Small cove
7.0
3
Sabaishihama Beach
Clean shoreline
7.0
4
Teradomari Beach
Major seaside destination
7.0
5
Teradomari Central Beach
Central beach
7.0
6
Teradomari Hidden Cove
Small cove
7.0
7
Teradomari North Beach
Less crowded
7.0

What makes Nagaoka's beaches stand out?

Nagaoka sits in Niigata Prefecture, Japan and is home to 7 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 Nagaoka or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.