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

Nautilus-Home-Mobile-NGL

Liveaboard Diving
Socorro. Cocos. Sea of Cortez.

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

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.

Sea of Cortez - Whale Sharks

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.

Sea of Cortez - Orcas

Sea of Cortez

Mobulas & Orca Adventure

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.

Sea of Cortez - Aquarium of the World

Sea Of Cortez

5 & 7-Night Liveaboard Diving Adventure

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

Cocos Island - Island of the Sharks

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!

Cocos Island - Island of the Sharks

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.

Magdalena Bay - Mexican Sardine Run

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.

San Ignacio Lagoon -Whale Interaction-

San Ignacio Lagoon

The Most Extraordinary Whale Interaction on the Planet

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.

Baja Ultimate Whales

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.

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.

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.

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.

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.

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!

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.

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.

See what our guests recently have said about Us

Latest Blogs

Whale sharks and sea lions join the Baja Ultimate Whale adventure!

January 28th, 2025

Whale sharks and sea lions join the Baja Ultimate Whale adventure!

I LOVE MY LIFE! We love all our new friends: loving, passionate, compassionate AND funny. TRAVELLERS for sure. We have all 7 continents. We have doctor, pharmacist, 2 attorneys, marketing, biologist, nurses on board. As we boated to anchor, we saw a naked sailer,,,no complaints,,,he was well tanned…all over. Some of us snorkelled with WHALE […]

Socorro Diving Adventure

January 28th, 2025

Socorro Diving Adventure

Our guests have been raving about our best Socorro season ever! It’s crazy, the diving just keeps getting better and better. Thanks to years of navy patrols and investment by the government of Mexico, the illegal fishermen are long gone and Socorro has become the oasis of the Eastern Pacific. See what our guests have […]

The whale reached out of the water right next to us!

January 27th, 2025

The whale reached out of the water right next to us!

As I reflect on my time at San Ignacio Lagoon, I am still overwhelmed by the joy and excitement seeing these grey whales in person. There is a special connection you feel to these animals when they look you right in the eye. It is an indescribable feeling being so close to such a beautiful, […]

We saw 8-12 Blue whales, with 77 individual sightings!

January 27th, 2025

We saw 8-12 Blue whales, with 77 individual sightings!

Ultimate Whales Adventure in the Sea of Cortez onboard the Nautilus Gallant Lady. If you are a whale aficionado, this is THE trip for you. You begin with humpback whale watching in Cabo San Lucas, than you make your way to La Paz to snorkel with whale sharks and sea lions. Then you board the […]

WhooHoo! Whale season is here!

January 27th, 2025

WhooHoo! Whale season is here!

Humpbacks at Socorro, blue whale and humpback mommas and calves in the Sea of Cortez, and gray whales in San Ignacio Lagoon. Baja’s whales have come home for another magical winter.  It is truly extraordinary this year with unheard of humpback whales bubble net feeding off Cabo yesterday when we were out whale watching (Jan […]

Captain Mike’s Guide: 8 Tips for Staying Healthy on Your Adventure With Us!

January 24th, 2025

Captain Mike’s Guide: 8 Tips for Staying Healthy on Your Adventure With Us!

Are you joining us at whale camp or an adventure to Socorro or the Sea of Cortez? Navigating across the blue seas is the perfect antidote for winter! Nobody wants to be sick while you are on vacation, but we see this happen. Our goal is to keep everyone healthy and having loads of fun. Here are our top […]



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