| Ship |
Owner |
Status |
| Alpha Helix | NSF | Out of UNOLS Service end of 2006 |
| Atlantic Explorer | BBSR | In Service |
| Atlantis | Navy | In Service |
| Atlantis II | Out of UNOLS Service | |
| Clifford A. Barnes | NSF | In Service |
| Blue Fin | Was replaced by R/V Savannah in late 2001 | |
| Blue Heron | UMinn | In Service |
| Ronald H. Brown | NOAA | In Service |
| Calanus | Was replaced by R/V Walton Smith in early 2000 | |
| Cape Hatteras | NSF | In Service |
| Cape Henlopen | Was replaced by R/V Hugh R. Sharp in early 2006 | |
| Endeavor | NSF | In Service |
| Maurice Ewing | Was replaced by R/V Marcus Langseth in early 2006 | |
| Gyre | Out of UNOLS Service end of August 2005 | |
| USCGC HEALY | USCG | In Service |
| Hugh R. Sharp | UDelaware | In Service - Early 2006 |
| Seward Johnson | HBOI | In Service |
| Seward Johnson II (ex. Edwin Link) | Purchased by BBSR late 2005, Christened R/V Atlantic Explorer in 2006 | |
| Edwin Link | Renamed R/V Seward Johnson II | |
| Edwin Link (ex. Sea Diver) | Out of UNOLS Service end of 2001 | |
| Kilo Moana | Navy | In Service |
| Knorr | Navy | In Service |
| Marcus Langseth | NSF | In Service - Mid 2006 |
| Laurentian | Out of UNOLS Service end of 2001 | |
| Sea Diver | Renamed R/V Edwin Link | |
| Longhorn | UTexas | Out of UNOLS Service end of 2006 |
| Melville | Navy | In Service |
| Moana Wave | Navy | Returned to Navy Service end of 1999 |
| New Horizon | SIO | In Service |
| Oceanus | NSF | In Service |
| Pelican | LUMCON | In Service |
| Point Sur | NSF | In Service |
| USCGC POLAR SEA | USCG | Temporarily Out of Service Fall 2004 |
| USCGC POLAR STAR | USCG | In Service |
| Roger Revelle | Navy | In Service |
| Robert Gordon Sproul | SIO | In Service |
| ROV's | NDSF | In Service |
| Savannah | UGeorgia | In Service |
| Thomas G. Thompson | ONR | In Service |
| Urraca | STRI | In Service |
| Walton Smith | UMiami | In Service |
| Weatherbird II | Out of UNOLS Service end of 2005 | |
| Wecoma | NSF | In Service |