Compact yet capable, Nautilus Under Sea brings divers to Socorro and Cocos for up-close encounters with mantas, dolphins, and schooling sharks in warm Pacific waters

From the shark-filled waters of Socorro to the marine mammal encounters at Cocos, Nautilus Explorer offers two countries, one mission: big-animal diving at its best

Nautilus Belle Amie brings divers up close to Socorro’s stars—giant mantas, dolphins, and sharks—on a large, stable platform ideal for remote Pacific adventures

A boutique liveaboard experience, Nautilus Gallant Lady explores Baja California’s diving gems, from the Sea of Cortez to Socorro Islands, where giant mantas and sharks abound