BLACKFIN MARINE INTERNATIONAL HIN Decoder
Hull Identification Numbers beginning with GUQ were assigned by the US Coast Guard to BLACKFIN MARINE INTERNATIONAL of OPA LOCKA, 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
GUQ
Location
OPA LOCKA, FL
In business
since 2003
Status
Listed active in USCG records
BLACKFIN MARINE INTERNATIONAL hulls (2003–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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BLACKFIN MARINE INTERNATIONAL HIN FAQ
What does a BLACKFIN MARINE INTERNATIONAL HIN look like?
It starts with the three characters "GUQ" — the Manufacturer Identification Code the US Coast Guard assigned to BLACKFIN MARINE INTERNATIONAL — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BLACKFIN MARINE INTERNATIONAL hulls (2003–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is BLACKFIN MARINE INTERNATIONAL still in business?
USCG records list BLACKFIN MARINE INTERNATIONAL of OPA LOCKA, FL in the MIC database (registered 2003).
How do I decode the year on a BLACKFIN MARINE INTERNATIONAL HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BLACKFIN MARINE INTERNATIONAL hulls (2003–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, "BLACKFIN MARINE INTERNATIONAL HIN Decoder," carwhere.com/hin-decoder/guq, last verified 2026-06-12.