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

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

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

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