COASTAL MARINE BOAT WORKS HIN Decoder
Hull Identification Numbers beginning with GDQ were assigned by the US Coast Guard to COASTAL MARINE BOAT WORKS of BRUNSWICK, GA. 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
GDQ
Location
BRUNSWICK, GA
In business
since 2000
Status
Listed active in USCG records
COASTAL MARINE BOAT WORKS hulls (2000–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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COASTAL MARINE BOAT WORKS HIN FAQ
What does a COASTAL MARINE BOAT WORKS HIN look like?
It starts with the three characters "GDQ" — the Manufacturer Identification Code the US Coast Guard assigned to COASTAL MARINE BOAT WORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. COASTAL MARINE BOAT WORKS hulls (2000–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is COASTAL MARINE BOAT WORKS still in business?
USCG records list COASTAL MARINE BOAT WORKS of BRUNSWICK, GA in the MIC database (registered 2000).
How do I decode the year on a COASTAL MARINE BOAT WORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. COASTAL MARINE BOAT WORKS hulls (2000–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 GA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "COASTAL MARINE BOAT WORKS HIN Decoder," carwhere.com/hin-decoder/gdq, last verified 2026-06-12.