Twenty years from now, you will be more disappointed by the things you didn’t do than those you did.
– Mark Twain
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Chevon and Black Mantas!An odd part of a few of my dives was that while trying to focus on my decent, people had to get my attention to look at the amazing Giant Mantas. Having such manificent creatures h…
Chris, 14 May 2024→ Read More -
Socorro: Amazing Experience with Black MantasAmazing experience on the Undersea Hunter! Dani showed us Chevron and Black Mantas (also the Dan-ta), dolphins, and how to blow bubble rings! The Manta 101 presentation was really …
Kevin and Shannon, 14 May 2024→ Read More -
Epic Dive at Roca PartidaThe last dive today was epic. Juan David took us to the east side of Roca Partida, it started with a school of tuna followed by several shark encounters. While swimming through sch…
Robert, 14 May 2024→ Read More -
Great Trip to SocorroHad a wonderful time! Pascal was an amazing and entertaining guide. The whole crew was fantastic as well. The briefings were excellent, educational presentations and great food. Ca…
Ken Strunk, Seattle USA, 13 May 2024→ Read More -
Mantas, dolphins, and Sharks!Our first day of diving did not disappoint. We started with a mandatory weight and buoyancy check. While our dive master, Juan David, said he was in charge of our group of eight di…
Jim Day, 13 May 2024→ Read More -
Socorro: Amazing Experience with Black Mantas – 14 May 2024Amazing experience on the Undersea Hunter! Dani showed us Chevron and Black Mantas (also the Dan-ta), dolphins, and how to blow bubble rings! The Manta 101 presentation was really interesting and the crew was exeptional….→ Read More
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Captain’s Noon Reports – Under Sea – 2024-05-13 – 13 May 2024First dive was good, the divers saw four mantas, they saw many tunas yellow fin some big tunas, some white tips.→ Read More
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Captain’s Noon Reports – Belle Amie – 2024-05-13 – 13 May 2024So far guests have been able to see dolphins, a bunch of hammerhead sharks, loads of white tip reef sharks, very friendly mantas.→ Read More
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Magical Eye Contact with a Manta – 13 May 2024This is my third time back to Socorro, and each time I have selected the Explorer for my adventures!. The diving here is amazing and so is the crew of the Explorer. Mantas abound, sharks everywhere, and there vis nothing…→ Read More
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Socorro: Truly Magical Experience – 13 May 2024The first dive of the day was an explosion of activity! A giant manta glided over head and 2 bottle-nosed dolphins swam RIGHT BETWEEN my daugther and I! So close we could have touched them. They swam with us for a bit an…→ Read More
Interacting with some of the most charismatic animals on the planet!
Friendly giant mantas and dolphins, majestic orcas, blue whales with their calves, whale sharks, the most extraordinary interaction with gray whales, massive schools of hammerheads, tiger sharks and 10 other shark species, mega schools of mobula rays, curious California sea lions, and whirling tornadoes of fish. Majestic sperm, fin, and humpback whales. Showcasing the beauty of Baja Mexico and the tropical rainforests of Costa Rica.
There is much to explore, dream, and discover!
Featured Upcoming Adventures
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Early booking discount $*
Orcas fiesta
Don’t miss out on the most Orcas and interaction of the year. July and August can be crazy good for Orcas with 20 sightings July 2023 and with our spotter airplane, our “eyes in the sky”, we are hoping this summer will be even better. This our only liveaboard open boat of the year that includes diving Cabo Pulmo. And it’s prime time for Hammerhead Sharks and Sea Lions at Las Animas.
* Bookings prior to may 15, 2024More info -
Early booking discount $*
October Sea of Cortez 8 day / 7 night adventure
Loreto great circle. Best visibility and warmest water of the year. New trips posted because of heavy demand.
* Bookings prior to may 15, 2024More info -
Early booking discount Jan. trips
Gray whales of San Ignacio Lagoon
4 days / 3 night.
This is the most extraordinary whale interaction on the planet!
Fly-in. Glamping accommodationMore info -
Bait Ball Season
Dive Socorro Island in June
We love diving Socorro, especially in the spring and early summer. Socorro is always stunning, raw, and primal, offering fantastic diving experiences known for the super-friendly and interactive giant mantas.
More info
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.
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Nautilus Explorer
Canadian built
132 feet long
SOLAS safety certified
Tour Ship -
Nautilus Belle Amie
Launched in 2015
147 feet long
Ultra-quiet
Tour Ship -
Nautilus UnderSea
105 feet long
Full-width superstructure
Enclosed dive deck
Tour Ship -
Nautilus Gallant Lady
116 feet long
6 large suites
1,700 horsepower
Tour Ship
We go above and beyond
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.
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Socorro: Amazing Experience with Black Mantas
Kevin and Shannon, 14 May 2024Amazing experience on the Undersea Hunter! Dani showed us Chevron and Black Mantas (also the Dan-ta), dolphins, and how to blow bubble rings! The Manta 101 presentation was really interesting and the crew was exeptional. Every meal was excelent and there was always extra. Kevin and Shannon -
Magical Eye Contact with a Manta
Nikki B, 13 May 2024This is my third time back to Socorro, and each time I have selected the Explorer for my adventures!. The diving here is amazing and so is the crew of the Explorer. Mantas abound, sharks everywhere, and there vis nothing more magical than making eye contact with a manta as it swims by close enough […] -
Socorro: Truly Magical Experience
Elizabeth, 13 May 2024The first dive of the day was an explosion of activity! A giant manta glided over head and 2 bottle-nosed dolphins swam RIGHT BETWEEN my daugther and I! So close we could have touched them. They swam with us for a bit and more Mantas came!It was truly magical! Elizabeth -
Fantastic time at Socorro
Joanna, 9 May 2024Going to Socorro on the Nautilus Bel Amie was our first liveaboard experience and we consider ourselves incredibly lucky to have had this as our first experience. The crew was amazing and the animal encounters were unreal. We saw the friendliest giant mantas, sharks, dolphins, eels, fish, and the largest lobsters we’d seen in our […] -
Socorro: absolutely magical
Suzanne, Nebraska, 8 May 2024The trip to the Socorros Islands was absolutely magical. Not knowing what to expect, we found every day a new experience and adventure! The staff and dive masters were incredibly attentive and professional. The instructions about the creatures we would see and explaining their behavior helped us to know how to dive and insight on […]
Our values and culture
Safety First, Always
Our culture of relentless and obsessive attention to safety has been a cornerstone of our business from our early days operating in the 1980’s.
It’s 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. A happy crew makes for a happy ship and the very best in guest experience.
The best of
the best
Our ships are crewed by teams of extremely hard-working men and women from around the world who love the ocean just as much as you do.
Blogs
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May 13th, 2024
San Benedicto: An experience of a lifetime
What an amazing experience! The first night of the ride out to San Benedicto was rough, but the crew was beyond helpful and understanding. I would recommend bringing plenty of Dramamine. However, things calmed down greatly after the first 6 hours. Once we were anchored at the dive site, there was only a slight rocking […]
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May 9th, 2024
NOAA announces that the gray whale population has rebounded
The “unusual mortality event” is officially closed and over. Looking in their eyes.The eyes of a grey whale.A huge 45-foot whale that swims over to be kissed and stroked. You might be a seasoned traveller who has gone on safari in Africa or visited Antarctica, explored Alaska and Haida Gwaii, or experienced the Arctic. But […]
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May 9th, 2024
Special Day at Roca Partida
What a special diving day we had at Roca Partida. The first dive of the day we jumped exactly at the sweet spot. Where the current hits the rock is the perfect place to have amazing encounters with pelalgics, that is what we called the sweet spot!. minutes when we started hearing them come. A pod of around 40 dolphins came to us. For all the dive they stayed with […]
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May 8th, 2024
Best Time to Dive Socorro!
Dive into Socorro: When’s the Best Time? Often, we’re asked, when we think is the best time to dive Socorro, and although the answer may vary depending on our guests’ preferences and who’s responding, this season, everyone seems to agree that the best time to dive Socorro is on this year, and this season! Socorro […]
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May 6th, 2024
Orcas in Mexico
Orcas: An experience like no other in the Sea of Cortez, Mexico! Orcas in the Sea of Cortez, Mexico? Keep reading, this blog will interest you! The marine life diversity you can find in the Sea of Cortez throughout the year is just amazing! Seriously! It’s like a non-stop party of underwater awesomeness! Right now, […]
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April 30th, 2024
Socorro, Mexico Diving Experiences
Socorro Mexico: Diving in a Marine Heaven Socorro, Mexico, diving is the gift that keeps on giving! It just keeps getting better and better: more marine life interacting with divers, more action, and more moments that will stay with you forever! Our guests are creating insane memories this season! From interactions with friendly dolphins, to […]