FORT GRATIOT LIGHT HISTORICAL MARKER TIME
9:0618AM
Monday
October 19, 2026
12369
America/Detroit
Temperature
--C
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CITY EVENTS FORT GRATIOT LIGHT HISTORICAL MARKER
Michigan CURIO • #1 OF 2
World’s Only Floating Post Office in Detroit
The 45-foot mail boat J.W. Westcott II delivers mail, provisions, and crew changes to moving Great Lakes freighters using a rope and bucket, operating with its own unique postal ZIP code (48222).
Fort Gratiot Light Historical Marker Local Photos
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Community Guide & Municipal Profile
About Fort Gratiot Light Historical Marker, Michigan
Compiling Community Intelligence for Fort Gratiot Light Historical Marker...
