USS Katahdin
Harbor-Defense Ram · United States · Lost September 1909 · Chesapeake Bay
An experimental 1890s harbor-defense ram, later used as a naval gunnery target, whose innovative low hull shape influenced early submarine design.


The Vessel and Her Loss
Vessel
- 1893
- Bath Iron Works
- Bath, Maine
- Steel
- 250.75 ft
- 43.4 ft
- 2155
- Steam, twin-shaft triple expansion
- United States Navy
Loss
- September 1909
- Intentional sinking
- Off Rappahannock Spit, near Windmill Point, Chesapeake Bay, Virginia
- Chesapeake Bay
- Not established
- Not established
- Not established
- Not established
- Not established
The Wreck Today
- 28 ft
- Unconfirmed; a linear sonar target of comparable length has been located but not conclusively identified as the wreck
- Not established
- 2024
- Not established
Position
- 37.61° N 76.28° W
- General area only
- Windmill Point, Virginia
General area only: coordinate of Windmill Point (Rappahannock River entrance) from the USGS Geographic Names Information System, marking the named place of loss recorded for this vessel, not a surveyed wreck position.
Evidence
Overall confidence: Partially documented (65/100)
The wreck has not been officially charted or conclusively confirmed by the Navy; its exact position remains an approximate identification by technical divers based on side-scan sonar surveys.
Naval History and Heritage Command, DANFS
Build, service history, decommissioning, loss as target
Battle of the Atlantic Research & Expedition Group (BAREG)
2024 sonar search and unconfirmed wreck location details
USGS Geographic Names Information System — Windmill Point, Lancaster County, Virginia
coordinate of the named place of loss
























































