NBM Dive Site Resource
Trinidad
Algoma offshore waters, Wisconsin, United States
EXTREME TECHNICAL DIVE ONLY — Trinidad is a protected Lake Michigan shipwreck resting at approximately 270 ft. Its depth exceeds recreational limits and requires appropriate technical training and expedition support.
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Historic Picture Placeholder

Aquatic life at this dive site
What divers may encounter
Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Aquatic life research in progress
NBM is reviewing a likely local species for this position.
Site media
Photographs
Three views rotate from the published gallery on each visit.


Contributor media
Dive videos
Three featured video positions are reserved on every profile.Recent field observations
Diver-reported temperatures
Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.
Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.
Why divers know this place
Highlights
Exceptionally intact 1867 schooner with deckhouse, anchors and deck machinery preserved; surveyed by Wisconsin Historical Society archaeologists.
Before you arrive
Access notes
Coordinates are intentionally omitted. Confirm current legal access, site protection rules, weather, exact depth, gas and decompression support with an experienced Wisconsin technical operator.
Plan within your training
Conditions and hazards
Extreme depth, major decompression obligations, trimix or CCR planning, cold water, darkness, offshore exposure, entanglement and fragile protected wreck fabric.
Independent resource notice
This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.