onlybeaches

Japan · Nagasaki Prefecture

Best beaches in Unzen

9 ranked beaches in Unzen, 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 Unzen

  1. 1

    Ariake Hidden Cove

    Small hidden cove rarely visited along the coastline

    7.0
  2. 2

    Azuma Beach

    Coastal area offering long shoreline and calm bay conditions

    7.0
  3. 3

    Azuma Hidden Shore

    Underrated stretch beyond main Azuma coastline

    7.0
  4. 4

    Obama Beach (Ariake Side)

    Known coastal stretch with gentle waters and local popularity

    7.0
  5. 5

    Obama Beach (Tachibana Bay)

    Well-known hot spring town beach with calm bay waters

    7.0
  6. 6

    Obama Hidden Cove

    Small hidden cove near Obama coastline

    7.0
  7. 7

    Obama Quiet Shore

    Less crowded stretch near Obama main beach

    7.0
  8. 8

    Tachibana Bay Cove

    Small sheltered cove along the bay

    7.0
  9. 9

    Tachibana Hidden Shore

    Quiet coastal stretch with minimal visitors

    7.0

What makes Unzen's beaches stand out?

Unzen sits in Nagasaki Prefecture, Japan and is home to 9 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 Unzen or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.