City of Boston US 4375

Explore the wreck of the City of Boston, a mid-19th-century steamship, accessible for snorkelers near Frankfort, MI.

Shotline Diving Wreck Profile

  • Name: City of Boston
  • Type: Wooden, single-propeller steamship—passenger & freight
  • Year Built: 1863
  • Builder: Cleveland, OH (Stephens & Presley)
  • Dimensions: Length 136 ft (41.5 m); Beam 25.8 ft (7.9 m); Depth of hold 11.9 ft (3.6 m)
  • Registered Tonnage: 392 tons
  • Depth at Wreck Site: 2 m / 8 ft
  • Location: ~6.4 km (4 mi) south of Frankfort, MI
  • Official Number: 4375
  • Number of Masts: One mast

Wreck Location Map

Vessel Type

A mid-19th-century wooden screw steamer, built for mixed commerce and passenger service across Lake Michigan.

Description

Steam-powered single-propeller hull retaining auxiliary mast; engaged in mixed use post-1880s as a steam barge after rebuild.

History

  • 14 Mar 1863: Launched
  • 29 May 1865: Tonnage adjusted to 298 GT
  • 25 Apr 1866: Readmeasured at 431.6 GT
  • 3 Aug 1867: Grounded in Chicago—released
  • Nov 1868: Collision with steamer Milwaukee in Straits of Mackinac—sunk
  • 1870: Raised from 38 ft (125 ft), deepest Great Lakes salvage at the time; rebuilt as steam barge
  • 10 May 1872: Collided with Sea Gull in Welland Canal
  • Oct 1873: Disabled at Mackinac
  • 4 Nov 1873: Stranded during snowstorm off Frankfort; broke in two at 15 ft depth; machinery salvaged; hull wrecked (Michigan Shipwrecks, Flickr, wrecksite.eu, Wandering Educators)

Final Disposition

Wrecked and abandoned; crew evacuated. Structure fragmented, with remains in shallow water and beach sand.

Current Condition & Accessibility

Wreck exists ~60 m offshore in 2–3 m (4–8 ft) water. Visibility varies with sand shifts—can be snorkelled from Green Point Dunes Preserve (Flickr, grkids.com).

Resources & Links

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The City of Boston offers accessible insight into 19th-century steam commerce on Lake Michigan. Its shallower wreckage and proximity to shore make it an excellent educational snorkel site. As a once-modern steamer that faced rebuilds, deep salvage, and ultimately a snowstorm wreck, it encapsulates evolving maritime technology and Great Lakes navigational challenges of the 1800s.

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Full Wreck Record — complete historical article, construction details, voyage logs, incident reports, dive conditions, and all research sources.

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