WILLIS MARINE INC HIN Decoder
Hull Identification Numbers beginning with WSE were assigned by the US Coast Guard to WILLIS MARINE INC of STUART, 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
WSE
Location
STUART, FL
In business
since 1989
Status
Listed active in USCG records
WILLIS MARINE INC hulls (1989–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
The optional $19.99 Boat History Report adds stolen-boat, salvage/auction, incident, and USCG documentation checks — one-time, no subscription (typical boat-history services charge $25+).
WILLIS MARINE INC HIN FAQ
What does a WILLIS MARINE INC HIN look like?
It starts with the three characters "WSE" — the Manufacturer Identification Code the US Coast Guard assigned to WILLIS MARINE INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. WILLIS MARINE INC hulls (1989–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is WILLIS MARINE INC still in business?
USCG records list WILLIS MARINE INC of STUART, FL in the MIC database (registered 1989).
How do I decode the year on a WILLIS MARINE INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. WILLIS MARINE INC hulls (1989–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, "WILLIS MARINE INC HIN Decoder," carwhere.com/hin-decoder/wse, last verified 2026-06-12.