| National Geographic Gemini | 118 pass. | 2001 | Ecuador | Cassens Schiffswerft (Emden, Germany) | |
| Lord of the Glens | 54 pass. | 1985 | United Kingdom | Psarros Shipyard (Perama, Greece) | |
| National Geographic Explorer | 162 pass. | 1982 | Bahamas | Ulstein Verft AS (Ulsteinvik, Norway) | |
| National Geographic Delfina | 19 pass. | 2007 | Ecuador | Botto Astilleros y Marina (Guayaquil, Ecuador) | |
| National Geographic Endeavour 2 | 96 pass. | 2005 | Ecuador | ASENAV Shipyard (Valdivia, Chile) | |
| National Geographic Sea Lion | 70 pass. | 1982 | USA | Nichols Brothers Boat Builders (Freeland, Washington USA) | |
| RV Jahan | 52 pass. | 2010 |