Japan · Sado Island, Sea of Japan

Kita-Koura

Best time to dive

June to October; August to September

What you might see

  • Flamboyant cuttlefishLikely
  • NudibranchLikely

Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.

Certification & difficulty

Advanced Open Water - advanced conditions (currents/depth); dive within your training.

Snorkelling

Snorkel-friendly - yes - snorkeling and introductory (no-license) diving experiences are offered even for those without certification

Safety notes

cold water outside summer months (drysuit likely needed shoulder seasons), Sea of Japan swell/high waves especially in winter (facility at Kitakoura port seasonally closes Dec 1-Mar), reduced visibility in spring (Mar-Jun)

Permits & fees

Permits and operators change - confirm before booking.

Location

Nearest hub: Sado

This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.