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SaltwaterOceanShipwreckUnverified

NBM Dive Site Resource

Gordon C. Cooke (Porthole Wreck)

Offshore Ocean City, Maryland, United States

A steel cargo vessel later converted to a barge, lost while under tow in 1947 and now known to Ocean City divers as the Porthole Wreck.

Save this dive site to your free member profile.

Historic Picture Placeholder

Old-fashioned maritime line drawing reserved for a future historic photograph
Historic Picture PlaceholderHistoric photograph pending research and rights review
WaterMarine
AccessOffshore boat access. Confirm exact target, depth, conditions and diver requirements with a current qualified captain; publication does not imply an operator connection.
ExperienceAdvanced offshore wreck divers with cold-water, low-visibility, current and boat-diving experience
Maximum depthUpper structure begins near 70 ft / 21 m; confirm current bottom depth
Best seasonWeather-dependent; a current Ocean City operation lists a mid-May through late-November season.
VisibilityTypically 10–20 ft in current Ocean City guidance, with occasional days above 50 ft and rapid changes.

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.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

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.
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending

Contributor media

Dive videos

Three featured video positions are reserved on every profile.
Dive-site video pending
Dive-site video pending
Dive-site video pending

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.
Automatically checked
No recent diver reports from the past 14 days

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.

Diver field observation

Report temperatures

Reports publish automatically when the date, depths, and temperatures pass the checks. You must be signed in to submit.

Depth readings

Why divers know this place

Highlights

A substantial historic wreck associated with rows of buried portholes and low-visibility Mid-Atlantic marine life.

Before you arrive

Access notes

Carry redundant surface-signaling equipment, use the required dive flag, and confirm anchor/live-boat procedure, gases, reserves, decompression, current, visibility and emergency plan.

Plan within your training

Conditions and hazards

Current, low visibility, cold water, depth, decompression obligation, boat traffic, entanglement, fishing gear, sharp or unstable wreckage and overheads. Treat memorial wrecks respectfully.

At the site

Facilities and support

No onsite facilities; support is vessel-based. Confirm oxygen, ladder, gas capability, communications and evacuation planning.

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.