Use the Natl Geographic Sea Lion cruise schedule calendar below to find a Natl Geographic Sea Lion Cruise sailing by destination or departure port. View Cruises by: Destination | Departure Port Search All Cruises OCG Class Expedition Natl Geographic Sea Lion Year Built1982Year Last Refurbished2014Capacity62 passengersDecks3Tonnage100RegistryUSAContact800-397-3348www.expeditions.com