English dive article with best-season and visibility context for Kushimoto.
Bizen is a calm boat dive on a Kushimoto reef-and-sand channel.
Bizen is a calm boat dive on a Kushimoto reef-and-sand channel.
Bizen is a west-side Kushimoto boat dive with a channel between two large roots, sandy flats to the west and south, and coral reef transitions to the north. It is known for seasonal cuttlefish spawning, winter yellowtail and a dense mix of macro life around the roots and sand. The site is usually a calm, low-current fallback when the open ocean is rough.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
18m - 27m
Depth Note
About 18 m under the anchor; sandy areas are about 25–27 m deep.
Best Season
Winter for large schools of yellowtail; warmer water periods for goby activity; seasonal cuttlefish spawning.
Typical Conditions
Almost no current.
Site conditions, restrictions, and access requirements.
Safety Notes
Keep neutral buoyancy over the sand to avoid silt and protect the habitat around the roots and coral.
Access Restrictions
Boat access from Kushimoto Port; this is not a shore-entry site and is often used when the open ocean is too rough.
Legal Notes
Follow the operator briefing and avoid touching the sand or coral.
Community notes to help plan your visit.
Scuba Diving
A deep channel-style site with anchor depth around 18 m and sandy bottom areas down to about 25–27 m, suitable from beginner to advanced.
Freediving
Not a primary freedive target; the strongest features sit in the boat-dive channel and reef zones.
Snorkeling
Not a practical snorkel spot; the interesting structure is below the surface in boat-dive depth.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
English dive article with best-season and visibility context for Kushimoto.
Regional guide for Bizen and nearby Kushimoto points.
Travel article describing Bizen as the inland fallback when the open ocean is rough.
Local operator page with species logs, seasonal notes and site conditions.
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