HARBOR ISLAND BOATWORKS HIN Decoder
Hull Identification Numbers beginning with HIB were assigned by the US Coast Guard to HARBOR ISLAND BOATWORKS of SAN ANTONIO, TX. 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
HIB
Location
SAN ANTONIO, TX
In business
since 2013
Status
Listed active in USCG records
HARBOR ISLAND BOATWORKS hulls (2013–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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HARBOR ISLAND BOATWORKS HIN FAQ
What does a HARBOR ISLAND BOATWORKS HIN look like?
It starts with the three characters "HIB" — the Manufacturer Identification Code the US Coast Guard assigned to HARBOR ISLAND BOATWORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. HARBOR ISLAND BOATWORKS hulls (2013–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is HARBOR ISLAND BOATWORKS still in business?
USCG records list HARBOR ISLAND BOATWORKS of SAN ANTONIO, TX in the MIC database (registered 2013).
How do I decode the year on a HARBOR ISLAND BOATWORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. HARBOR ISLAND BOATWORKS hulls (2013–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 TX
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "HARBOR ISLAND BOATWORKS HIN Decoder," carwhere.com/hin-decoder/hib, last verified 2026-06-12.