DOLPHIN BOATS INC HIN Decoder
Hull Identification Numbers beginning with DFL were assigned by the US Coast Guard to DOLPHIN BOATS INC of PRINCETON, 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
DFL
Location
PRINCETON, FL
In business
since 1975
Status
Listed active in USCG records
DOLPHIN BOATS INC built hulls across both HIN eras (1975–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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DOLPHIN BOATS INC HIN FAQ
What does a DOLPHIN BOATS INC HIN look like?
It starts with the three characters "DFL" — the Manufacturer Identification Code the US Coast Guard assigned to DOLPHIN BOATS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. DOLPHIN BOATS INC built hulls across both HIN eras (1975–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is DOLPHIN BOATS INC still in business?
USCG records list DOLPHIN BOATS INC of PRINCETON, FL in the MIC database (registered 1975).
How do I decode the year on a DOLPHIN BOATS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. DOLPHIN BOATS INC built hulls across both HIN eras (1975–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. 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, "DOLPHIN BOATS INC HIN Decoder," carwhere.com/hin-decoder/dfl, last verified 2026-06-12.