Official CNMI tourism page for Saipan wreck-diving geography and harbor context.
Boat-accessed WWII wreck in Tanapag Harbour.
Boat access and harbor logistics make a local Saipan operator the practical default.
Sub Chaser is a boat-accessed WWII wreck in Tanapag Harbour on Saipan, with a compact profile and a simple harbor approach. It works best as a guided wreck dive for divers who want history without a technical or current-heavy profile.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
12m - 18m
Depth Note
Tanapag Harbour wreck diving is generally described in the 12-18m range, and Sub Chaser sits in that harbor circuit.
Best Season
Year-round.
Typical Conditions
Shallow harbor wreck diving with clear tropical water, short boat logistics, and a compact profile.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Use a local operator for the boat drop, keep standard wreck buoyancy, and stay alert for normal harbor traffic on the way down and back.
Community notes to help plan your visit.
Scuba Diving
Best as a guided recreational wreck dive with normal buoyancy control and an easy boat setup.
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
Official CNMI tourism page for Saipan wreck-diving geography and harbor context.
Independent destination page with Tanapag Harbour depth and visibility context.
Know this site? Improve Spot Details.

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