Built For Safety

Choose from 3 large, ocean going, ISM safety certified, stabilized ships.

Come aboard our luxurious and ISM safety certified ships and experience the Nautilus difference. Our ships operate to the highest levels of professionalism and safety. The Nautilus Explorer and Belle Amie were built to the same SOLAS standards as the largest cruise ships in the world with an ISM safety management system certified and audited externally. All ships are equipped with state-of-the-art VSAT open-ocean satellite systems providing 24-hour data and internet connectivity. With over 25 years of experience, we know how to get you into the water for the best big animal diving whether it's face to face encounters with the great white sharks of Guadalupe Island, or unique interactions with giant mantas, humpbacks and 10 types of sharks at Socorro Island. Join us for incredible big animal encounters with the bonus of stabilized steel ships, spacious staterooms, hot tub and great food.

Nautilus Explorer ship

Nautilus Explorer

We custom built our beautiful Nautilus Explorer in 2000 with a laser focus on safety, luxury and the perfect dive boat configuration. Our guests enjoy stabilized crossings on the #1 boat that clients ask for.

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Nautilus Belle Amie ship

Nautilus Belle Amie

Our Nautilus Belle Amie is a new build launched in 2015. This is the largest ship in our fleet and dwarfs her competition. Guests enjoy the ultra quiet rooms, extreme spaciousness and comfortable, stabilized ride.

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Nautilus Under Sea ship

Nautilus Under Sea

The Nautilus Under Sea is the former Undersea Hunter of Cocos Island fame. This brave small ship is one of the most loved dive boats in the world with a huge reputation and following. The Under Sea underwent renovations in 2016 and gained a full-width superstructure and premium suite on the upper deck.

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