GREAT LAKES BOAT BLDG CO HIN Decoder
Hull Identification Numbers beginning with GLX were assigned by the US Coast Guard to GREAT LAKES BOAT BLDG CO of SOUTH HAVEN, MI. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
GLX
Location
SOUTH HAVEN, MI
In business
since 1991
Status
Listed active in USCG records
GREAT LAKES BOAT BLDG CO hulls (1991–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
The optional $19.99 Boat History Report adds stolen-boat, salvage/auction, incident, and USCG documentation checks — one-time, no subscription (typical boat-history services charge $25+).
GREAT LAKES BOAT BLDG CO HIN FAQ
What does a GREAT LAKES BOAT BLDG CO HIN look like?
It starts with the three characters "GLX" — the Manufacturer Identification Code the US Coast Guard assigned to GREAT LAKES BOAT BLDG CO — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GREAT LAKES BOAT BLDG CO hulls (1991–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GREAT LAKES BOAT BLDG CO still in business?
USCG records list GREAT LAKES BOAT BLDG CO of SOUTH HAVEN, MI in the MIC database (registered 1991).
How do I decode the year on a GREAT LAKES BOAT BLDG CO HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GREAT LAKES BOAT BLDG CO hulls (1991–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in MI
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GREAT LAKES BOAT BLDG CO HIN Decoder," carwhere.com/hin-decoder/glx, last verified 2026-06-12.