GULFSTREAM SHIPBUILDING HIN Decoder
Hull Identification Numbers beginning with GLF were assigned by the US Coast Guard to GULFSTREAM SHIPBUILDING of FREEPORT, FL. 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
GLF
Location
FREEPORT, FL
In business
since 2015
Status
Listed active in USCG records
GULFSTREAM SHIPBUILDING hulls (2015–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
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GULFSTREAM SHIPBUILDING HIN FAQ
What does a GULFSTREAM SHIPBUILDING HIN look like?
It starts with the three characters "GLF" — the Manufacturer Identification Code the US Coast Guard assigned to GULFSTREAM SHIPBUILDING — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GULFSTREAM SHIPBUILDING hulls (2015–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GULFSTREAM SHIPBUILDING still in business?
USCG records list GULFSTREAM SHIPBUILDING of FREEPORT, FL in the MIC database (registered 2015).
How do I decode the year on a GULFSTREAM SHIPBUILDING HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GULFSTREAM SHIPBUILDING hulls (2015–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 FL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GULFSTREAM SHIPBUILDING HIN Decoder," carwhere.com/hin-decoder/glf, last verified 2026-06-12.