Nautilus Dive Adventures - Socorro Island Scuba diving

Twenty years from now, you will be more disappointed by the things you didn’t do than those you did.

– Mark Twain

ADVENTURES

DATES & RATES

YouTube channel

Stunning Images

Latest Newsletters
An Incredible Trip Both Underwater and on the Ship

I have divers who have told me it’s the best trip they’ve done, and some had the best dive of their lives on El Boiler here at Socorro.
Chris Brown-Needham, Helene Von Bandemer, 30 June 2025

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“We Were Visited by Giant Mantas on Every Dive”

Nautilus provided me with a week of amazing dives all over Socorro. Giant mantas on every dive; awesome experience I would do many times.
, 24 June 2025

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Mantas, turtles, sharks, dolphins & Orcas at Socorro

This trip has been an incredible experience. We saw many mantas, turtles, sharks, dolphins and even orcas! The crew are wonderful people.
, 24 June 2025

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“Truly an Experience of a Lifetime”

Lots of marine life to see in Socorro: hammerheads, giant mantas, all sorts of sharks and fish. This is truly an experience of a lifetime.
Terry / Richard, 24 April 2025

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The Giant Mantas Will Take Your Breath Away

Our trip to Socorro on the Belle Amie was the highlight of my diving experiences. Hammerhead, silky, white tip, Galapagos sharks and more…
Michelle C, 24 April 2025

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Captain’s Noon Reports – Gallant Lady – 2025-11-02 – 2 November 2025

This morning, the guests went out with the local guides in search of bait balls. They found some stationary balls that held marlin, sea lions.

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Captain’s Noon Reports – Belle Amie – 2025-11-02 – 2 November 2025

Yesterday the last 2 dives of the day were good, guests are happy so far, the whale sharks were around the rock, very deep, around 40 mts.

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Captain’s Noon Reports – Explorer – 2025-11-01 – 1 November 2025

The dunes were enchanting, and the sunset was spectacular. The dive crew also had fun with the people on the dunes. It was a great afternoon.

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Captain’s Noon Reports – Gallant Lady – 2025-11-01 – 1 November 2025

This morning, bait ball activity started very early, some moving very fast and finding a large static with marlin, sea lions, silky sharks.

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Captain’s Noon Reports – Belle Amie – 2025-11-01 – 1 November 2025

The last 2 dives in the afternoon were great, the divers saw 3 whale sharks during the last trip, and the visibility was pretty good.

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Liveaboard Diving
Socorro. Cocos. Sea of Cortez.

DESTINATIONs

DATES & RATES

Socorro, Sea of Cortez, Mexico Sardine Run, Cocos Island, San Ignacio Lagoon

We do it all. If there are cool big animals, we want to share the experience with you. Our adventures combine the utmost safety, comfort and luxurious touches with excellence in guest experience. From orcas and mobula rays to super playful dolphins, great whales, 12 species of sharks, giant mantas, and so much more. We cover it all. The only question is which expedition to sign up for next!?

Socorro Island

Giant Mantas, Dolphins & 12 Species of Sharks

Known for its stunning, raw, and primal beauty, Socorro offers fantastic diving experiences, where super-friendly giant mantas, playful bottlenose dolphins, and 12 species of sharks await your affection.

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Sea of Cortez

Ultimate Whale Sharks

Bahia de Los Angles is a very special place with up to 220 friendly and curious whale sharks visiting every season and is best accessed by a liveaboard expedition ship.

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Sea of Cortez

Ocean Safaris

These adventures are not just about orcas but depending on the season, blue, finback, sperm and pilot whales and getting in the water with massive schools of mobula rays, huge pods of dolphins, whale sharks and of course, super playful sea lions.

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Sea Of Cortez

5 & 7-Night Liveaboard Diving Adventure

The Sea of Cortez has rebounded with life best described as different season, different seas. Maga pods of dolphins year-round, super friendly sea lions, fast schools of fish, and whales!

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Sea Of Cortez

Loreto & La Paz Diving

We have been running this trip since 1978 and have learned a thing or two about where to find the best diving in this part of the Sea of Cortez!

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Costa Rica

Cocos – Island of the Sharks

Known as the ‘Island of the Sharks,’ it’s not just about the famous schooling hammerheads where the sharks come to you, but a tiny tropical rainforest oasis in the eastern Pacific.

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Magdalena Bay

Mexican Sardine Run

During mid-October to December, a magical event happens in the nutrient rich swirling blue waters off Magdalena Bay where All sorts of predators gather to hunt on the second largest sardine run in the world.

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San Ignacio Lagoon

Choose from 4-12 day adventure

How do you even being to describe the experience of a giant 40-foot long whale, looking you in the eye and communicating very clearly that they want you to put your hand in the water.

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Baja Ultimate Whales

Expedition Yacht & Whale Camp

Meet the most majestic whales on the planet: Gray whales, humpbacks, blue whales, fin-back whales and whale sharks. Lets not forget about the huge pods of dolphins.

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Your Home at Sea

Our liveaboard diving ships were constructed with careful consideration. Relentless and obsessive attention to safety has been a cornerstone of our business from our very early days in the 1980’s.

Nautilus Explorer

Our flagship featuring an all new super-large dive deck and water level platform combined with picture windows around the main salon and separate dining room.

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Nautilus Belle Amie

We launched the Belle Amie in 2015 and she is a beauty. Modern. Super spacious. Designed specifically for Socorro. Featuring suites in which you feel that you are staying in a hotel.

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Nautilus UnderSea

The UnderSea first entered service in 1968 as the personal submarine tender to Dr. Perry of Perry Oceanographic. We graced the ship with a massive shipyard refit including: stretching the hull out to 105 feet, a new superstructure and extended sun deck, a bulbous bow and stability system.

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Nautilus Gallant Lady

Imagine a 116 foot yacht that accommodates small groups of 12 divers in 6 large suites. Our beautiful Gallant Lady combines the luxury of a yacht with the thoughtful design of a dive deck built for divers.

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Mango Wind

Our beautiful Leopard 45 sailing catamaran provides a different and intriguing way to experience the Sea of Cortez. Sailing is fun. Sailing is awesome!

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Nautilus Westerly

Giving back. At our core, we believe in giving back to Mother Ocean. One of the ways we do this is to make the Westerly available at cost for conservation or science trips around Baja and out to both Socorro and the Islas Marias.

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What Makes Us Different

01

Safety First

The cornerstones of everything we do: safety, excellence in guest experience, happy staff, and happy crew.

02

Guest Excellence

Excellence in guest experience is all about you. Our focus is to ensure that you as our guest are safe and able to enjoy your vacation to the highest level.

03

Animal encounters

We provide the best opportunities for encounters, which are always conducted with the utmost respect and only on the animals’ own terms. It’s entirely their choice to swim over and check us out.