G.R. INTERNATIONAL OF MIAMI HIN Decoder
Hull Identification Numbers beginning with GRJ were assigned by the US Coast Guard to G.R. INTERNATIONAL OF MIAMI of MIAMI, FL. The company is recorded as out of business since 2010 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
GRJ
Location
MIAMI, FL
In business
since 1989
Status
Out of business (2010)
G.R. INTERNATIONAL OF MIAMI hulls (1989–2010) 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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G.R. INTERNATIONAL OF MIAMI HIN FAQ
What does a G.R. INTERNATIONAL OF MIAMI HIN look like?
It starts with the three characters "GRJ" — the Manufacturer Identification Code the US Coast Guard assigned to G.R. INTERNATIONAL OF MIAMI — followed by a 5-character hull serial and a 4-character date code, 12 characters total. G.R. INTERNATIONAL OF MIAMI hulls (1989–2010) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is G.R. INTERNATIONAL OF MIAMI still in business?
USCG records list G.R. INTERNATIONAL OF MIAMI as out of business since 2010. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a G.R. INTERNATIONAL OF MIAMI HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. G.R. INTERNATIONAL OF MIAMI hulls (1989–2010) 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, "G.R. INTERNATIONAL OF MIAMI HIN Decoder," carwhere.com/hin-decoder/grj, last verified 2026-06-12.