| Boat Name | City | State | Country | Boat Year | Boat Brand | Boat Model |
|---|---|---|---|---|---|---|
| U Fin | US | 1999 | Hunter | 42 | ||
| U R Here | LA | US | 1989 | Hunter | 30_88-94 | |
| U-stink-ah | Hastings | ON | CA | 1993 | 200 | |
| U.s.s. Starbird | NY | US | 1987 | Hunter | 26.5 | |
| U2 | FL | US | 1984 | Catalina | Capri 25 | |
| Ubiquitous | FL | US | 1977 | Morgan | Mk2 | |
| Uccello Di Venezia | PQ | CA | 1992 | Beneteau | 370 | |
| Uf Daa | IA | US | 1988 | Oday | 272LE | |
| Uff Da | OH | US | 1995 | MacGregor | 26S | |
| Uff Da | CA | US | 1978 | Ericson | 32 | |
| Uffah!! | RI | US | 2001 HydraSport | 212 W/A | ||
| Uh Oh | CA | 1979 | Oday | 23 | ||
| Uh-oh! | UT | US | Bayliner | Capri | ||
| Uibiquity | WI | US | 93 | Catalina | Capri-26 | |
| Ujiji | OT | VE | 2004 | Dufour | 44 Performance | |
| Uke N Sail | Council Bluffs | IA | US | 2011 | Michalak Mayfly 16 | Skiff |
| Ukiyo-e | FR | 2006 | Hunter | 33 | ||
| Ulka | NY | US | 1978 | Oday | 37 | |
| Ulrica | BC | US | 1979 | Oday | 30 | |
| Ultimate 19th Hole | IN | US | 1977 | Catalina | 30 | |
| Ultimate Cruz | TX | US | 1985 | Catalina | 36 | |
| Ultimate Therapy | Cincinnati | OH | US | 1990 | Sumerset | 18x74 |
| Ultra | OH | US | 1998 | Hunter | 240 | |
| Ulupalakua | AZ | US | 1975 | MacGregor | 25 | |
| Ulysses | OH | US | 1981 | Catalina | 30 | |
| Ulysses | OH | US | 1997 | Catalina | 400 | |
| Um Yah Yah | US | 1994 | Hunter | 26 | ||
| Ummagumma | PA | 76 | S2 | 8.0A | ||
| Umore | CA | 22 | Columbia | Columbia | ||
| Un Bel Di | NY | US | 1984 | Oday | 222 | |
| Un Bel Di | NY | US | 1984 | Oday | 222 | |
| Un Named | WA | US | 1986 | Oday | 35 | |
| Un-named | NY | US | 1972 | Oday | Javelin | |
| Un-named | US | Oday | ||||
| Un-named | FL | US | 1971 | Morgan | Morgan 22 | |
| Un-named | US | 1987 | MacGregor | 22 | ||
| Un-named At This Time | NC | US | 1975 | International/Helsen | 22 | |
| Una Bella | NH | US | 1993 | Hunter | 23.5 | |
| Una Mas | WI | US | 2005 | MacGregor | 26M | |
| Una Vida | CA | US | 2007 | Hunter | 33 | |
| Unaccounted For Ii | FL | US | 1988 | Hunter | 33.5 | |
| Unbelizeable | US | 1974 | Catalina | 22 | ||
| Unchained | TN | US | 1991 | Beneteau | 38 | |
| Unchained Melody | VA | US | 1984 | Hunter | 34 | |
| Uncle Bud | US | 2005 | Catalina | Capri-16.5 | ||
| Uncle George | CA | 1976 | Cal | 2-27 | ||
| Unconditional | ON | CA | 1997 | MacGregor | 26X | |
| Undecided | NV | US | 1991 | Hunter | 30_88-94 | |
| Undecided | TX | US | 1983 | Lancer | 27 | |
| Undecided | MD | US | 2003 | Beneteau | 331 | |
| Undecided | LA | US | 1976 | Hunter | 25_73-83 | |
| Undecided | 1984 | Cal | 27-III | |||
| Undecided | WA | US | 75 | Catalina | 22 | |
| Under 25 Feet | FL | US | 2000 | Looking | Potter 19 Or Mac 25 | |
| Under Consideration | MI | US | 1974 | Oday | 22 | |
| Under Consideration, Sugestions? | MI | US | 1984 | Hunter | 31_83-87 | |
| Under Development... | MH | US | 2000 | Hunter | 170 | |
| Under Estimated | US | 1985 | Hunter | 23 | ||
| Under Negotiations | BR | 2008 | Beneteau | Oceanis 43 | ||
| Under Repair | WA | US | 1992 | Hunter | 42 | |
| Under Repair | WA | US | 1992 | Hunter | 42 Passage | |
| Under Wild Skies | Bayshore | NY | US | 2006 | 23 | |
| Underdog | CA | US | 76 | Columbia | C26 MkII K | |
| Underdog Too | CA | US | 1995 | Catalina | 36mkII | |
| Underhills Tab | Coconut Grove | FL | US | 2000 | Maverick | 22 |
| Undertaker | TX | US | PARKER | 2801 | ||
| Underwater Options | NH | US | 1984 | Oday | 222 | |
| Undetermined | IN | US | 2000 | Hunter | 240 | |
| Undine | NJ | US | 1982 | Hunter | 22 | |
| Unexpected Pleasure | Beverly Hills | CA | US | 75 | Penn Yann | 20 Runabou |
| Unfathomable | Annapolis | MD | US | 2012 | Riviera Sport Yacht | 5000 |
| Unforgetable | NS | CA | 1984 | Hunter | 34 | |
| Unforgetable | VA | US | 1987 | Hunter | 23 | |
| Unforgetable Too | MI | US | 1995 | Beneteau | 321 | |
| Unforgettable | ME | US | 1984 | Hunter | 34 | |
| Unforgettable | NJ | US | 1980 | Catalina | 25 | |
| Unfurled | MD | US | 2002 | Hunter | 356 | |
| Unharried | NC | US | 1976 | Oday | 25 | |
| Unhinged | NS | AU | 1989 | Hunter | Legend 37 | |
| Unicorn | EN | 1999 | Hunter | 450 | ||
| Unicorn | FL | CL | 1983 | Hunter | 22 | |
| Unicorn | PA | US | 1973 | Oday | 23 | |
| Unicorn | FL | US | 1983 | Hunter | 22 | |
| Unicorn | NB | CA | 1977 | Allied | Princess | |
| Unicorn Iii | GA | US | 1979 | Catalina | 30 | |
| Unicorn Magic | FL | US | 1983 | Hunter | 25_73-83 | |
| Unity | US | 1975 | S2 | 8.0C | ||
| Unk | GA | US | 1971 | Irwin | Kaufman | |
| Unknown | PA | US | 1986 | Hunter | 23 | |
| Unleashed | FL | US | Mako | 171 | ||
| Unnamed | FL | US | 1971 | MacGregor | 22 | |
| Unnamed | OH | US | 1988 | Oday | 222 | |
| Unnamed | MN | US | 1982 | MacGregor | 22 | |
| Unnamed | NC | US | 2002 | MacGregor | 26X | |
| Unnamed | TN | 1972 | MacGregor | 23 | ||
| Unnamed | KY | US | 1981 | Montgomery | 15 | |
| Unnamed | ON | CA | 2004 | Hunter | 33 | |
| Unnamed | TX | US | 1970 | Pearson | 26 Pearson | |
| Unnamed | MI | US | ??? | Oday | DaySailer | |
| Unnamed | OH | US | 2004 | Hunter | 33 | |
| Unnamed | CO | US | 2001 | Hunter | 170 | |
| Unnamed | TX | US | 1978 | MacGregor | 22 | |
| Unnamed As Of Yet | NE | US | 1999 | Catalina | 320 | |
| Unnamed As Of Yet | TX | US | 1974 | Hunter | 25_73-83 | |
| Unnamed As Of Yet | GA | US | 1983 | MacGregor | 22 | |
| Unnamed As Of Yet | NJ | US | 1984 | Hunter | 37-cutter | |
| Unnamed As Yet | MI | US | 82 | Hunter | 19_81-83 | |
| Unnamed As Yet | MN | US | 1974 | MacGregor | 23 | |
| Unnamed At This Time | CA | US | 1980 | MacGregor | 22 | |
| Unnamed Dolphin | NY | US | 1961 | Oday | 23 | |
| Unnamed For Now | GA | US | 1982 | Hunter | 27_75-84 | |
| Unnecessary #11844 | CT | US | 1983 | Catalina | 22 | |
| Uno Mas | TX | US | 1980 | Hunter | 36_80-82 | |
| Uno Mas | TX | US | 1980 | Hunter | 36 | |
| Uno Mas | MN | US | 1999 | Hunter | 260 | |
| Uno Mas | OT | MX | Wellcraft | Excel 23 Walkaround | ||
| Unole! | US | 1972 | Lindsey | 21 Mighty Mite | ||
| Unplugged | NY | US | 1997 | Hunter | 310 | |
| Unplugged | CA | US | 1979 | Catalina | 38 | |
| Unplugged | NY | US | 1979 | Hunter | 27 (1975-84) | |
| Unreachable Star | Deep River | CT | US | 2006 | Valiant | 42 |
| Unreasonable Happiness | FL | US | 1980 | Oday | 37 | |
| Unruly Julie | CA | US | 1998 | Hunter | 260 | |
| Unsinkable Ii | San Antonio | TX | US | 2018 | Blue Wave | 16 |
| Unstoppable | FL | US | Catalina | 28 | ||
| Untouchable | Chicago | IL | US | 2007 | Etchells | 30 |
| Unwind | US | 1989 | Oday | 240 | ||
| Unwinder | AL | US | 1994 | Hunter | 37.5 | |
| Up Jinks | SC | US | 2002 | Catalina | 380 | |
| Up Sky | CT | US | 1987 | Hunter | 31_83-87 | |
| Up Tick | FL | US | 2003 | Hunter | 170 | |
| Up To No Good | MD | US | 1995 | Hunter | 29.5 | |
| Up To No Good | Gloucester | VA | US | 1995 | Hunter | 29.5 |
| Up To Par | South Lyon | MI | US | 1993 | Smokercraft | 143 ProMag |
| Up To The Gills Ii | Mystic | CT | US | 1989 | Sea Ray | 30\\\' Weeken |
| Up Until Now | ME | US | 85 | Hunter | 23 | |
| Uppa Hair | WI | US | 1985 | Other | Impulse 26 | |
| Upper 90 | Atwood Lake | OH | US | 1979 | Catalina | C-27 |
| Upstream | MD | US | 2004 | Beneteau | 311 | |
| Uptown Girl | CA | 1985 | Catalina | 36 | ||
| Urchin | FL | US | 1977 | Laguna Yachts | Windrose 18 | |
| Urge | TX | US | 1970 | MacGregor | 24 | |
| Ursa Major | RI | US | 1979 | Catalina | 27 | |
| Ursa Major Ii | OH | US | 1993 | Hunter | 40.5 | |
| Ursa Minor | OR | US | 1990 | Catalina | 42 | |
| Ursa Minor | OR | US | 1990 | Catalina | 42 | |
| Ursa Orion | MD | US | 1986 | Hunter | 28.5 | |
| Ursus | NY | US | 1990 | Catalina | Capri-26 | |
| Uschi Too | GA | US | 1993 | Hunter | 30_88-94 | |
| Ushuaia | FL | HO | 1994 | Catalina | 28 | |
| Ushuia | OK | US | 1999 | MacGregor | 26X | |
| Usique Beatha | FL | 1976 | Irwin | 10/4 | ||
| Usonia | AR | US | 2003 | West Wight Potter | P-15 | |
| Usual Suspect | WA | US | 1974 | Catalina | 27 | |
| Utopia | CA | US | 1978 | Catalina | 25 | |
| Utopia | AR | US | 1987 | Catalina | 22 | |
| Utopia | NJ | US | 1989 | Oday | 322 | |
| Utopia | MX | 1976 | Catalina | 27 | ||
| Utopia | VA | US | 1979 | Lippincott | 30 | |
| Utopia Iii | PA | US | 2000 | Hunter | 450 | |
| Utopia2 | NJ | US | 1981 | Irwin | Irwin 37 Cc Ketch | |
| Utopie | NY | US | 2000 | Beneteau | 311 |