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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KABOOOOM!! this is the sound of your mind being blown up.Daily. it is ASTONISHING how often you have to put your brain back into your head here, to rebuild your blown mind after a day of diving then prepare to have it pour out of your sk…
James Strain, 20 June 2023→ Read More -
This was by far one of of the best trips of my life.This was by far one of of the best trips of my life. I saw lots of different sharks including the hammer sharks and a lot of silky ones. I dove with incredible giant manta rays, wi…
Khosro Ronagh, 20 June 2023→ Read More -
A wallpaper of yellow fin tunasMany times I heard divers talking about the migration of silkies. Stories from colleagues telling me about this fantastic event that occurred in Roca at the end of the season. This…
Captain Ramon, 13 June 2023→ Read More -
Exploring the Archipelago on the Nautilus ExplorerThe first day of diving checked off a bucket list encounter for me with a beautiful pod of dolphins who announced themselves and then come in so close one tapped my GoPro.
Cheryl Cranick and Frank Stoeckel, 4 April 2023→ Read More -
Diving off Socorro on the Nautilus Belle Amiethe oceanic mantas are huge but so elegant and graceful in their acrobatics. Dolphins, mantas, hammerheads, and all kinds of sharks are almost a guaranteed sighting from every back…
Mandy Manipon, Bob and Allison, Wendy, 30 March 2023→ Read More -
Captain’s Noon Reports – Gallant Lady – 2023-09-28 – 28 September 2023The guests were very happy with the interaction of the sealions during the 3 dives. After this dive we will stay here for dinner and will go early in the morning.→ Read More
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Captain’s Noon Reports – Belle Amie – 2023-09-28 – 28 September 2023The last dive in Las Animas a pot of dolphins came to the Ship and we took the guests to them and we spent a while with the dolphins, just amazing no more comments.→ Read More
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Captain’s Noon Reports – Gallant Lady – 2023-09-27 – 27 September 2023The clients enjoyed watching sea lions playing around, full of reef fish, Murray and leopard ills, some beautiful turtles and more.→ Read More
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Captain’s Noon Reports – Belle Amie – 2023-09-27 – 27 September 2023It was full of reef fish and it is not a very depth dive and we encountered with some snappers, sardines, a lot of morenas, and angel fish.→ Read More
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Captain’s Noon Reports – Gallant Lady – 2023-09-26 – 26 September 2023Divers saw lots of fish, they did like the reef. Also, a friendly dolphin was with them for about 10 minutes, he was playing around them.→ 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
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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Amazing First-Hand Guest Experiences Diving in the Sea of Cortez
Dennis, Travis Gilliland, Lori, 30 August 2023start our dive and were immediately surrounded by Sea Lions. They were incredibly curious and amazing to observe up close -
Guest Stories of Incredible Diving Experiences onboard the Nautilus Belle Amie
Brandon, Frederick Garcia, 24 August 2023Guests have a blast diving with fascinating sea creatures from aboard the Nautilus. Here are a couple of their first-hand accounts -
Amazing Underwater Sightings Diving off Roca Partida – First-Hand Guest Experience
Melanie, 24 August 2023Roca Partida is among the best dive sites in the world, abounding with exotic sea creatures. Here is a first-hand account from a guest diving in this location, more than enough to make memories of a lifetime. -
Amazing Guest Experiences with Nautilus Liveaboards
Marc, Cristina and Juan, 24 August 2023Here are some amazing experiences of guests on board the Nautilus and diving among fascinating sea creatures -
Once in a Lifetime
Martin & Petra, 21 August 2023Dear Gallant Lady Crew, First I must say I have no words about our really spectacular, yes once in a lifetime, trip. We dived around the world with Waterworld.at, but what we have seen only in 4 days we never could imagine and must realize in the next days. The Crew is as always fantastic, the […]
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.
Are you down?
Check out our trips and secure your spot today.
Blogs
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September 29th, 2023
Why do gray whales migrate to Baja, Mexico?
Gray whales that migrate to Baja are evolving in front of our very eyes, adapting to avoid starvation and finding new ways to thrive.
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September 29th, 2023
Blue Whale Encounter in the Sea of Cortez
We stopped the boat about 300 meters away and the blue whale encounter ocurred. It swam right up to the boat, circling us for 15 minutes.
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September 27th, 2023
An Inspiring Aerial Encounter in the Sea of Cortez, Baja, Mexico
Hello everybody, I’m Ranulfo Mayoral, a naturalist guide at San Ignacio Lagoon, specifically focusing on gray whales and birds with Nautilus Liveaboards. This time, I had the opportunity to see marine life from a different perspective; now I’m an air observer on a plane
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September 19th, 2023
Swimming with Whale Sharks at the best place in the world.
Reaching Bahia de Los Angeles Experience the freedom and wholeness of nature alongside these gentle giants in the most paradisaical environment. We venture into the vastness of the Sea of Cortez, surrounded by intense blue; looking towards the horizon means losing sight of the dividing line between the sky and the sea. We are ready […]
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August 1st, 2023
Chef Julio’s Nautilus Adventure
My name is (chef) Julio. I would like to share a little bit about my experience with Nautilus. I am a chef with an extensive experience in the kitchen. I have been on board on the Nautilus fleet for the last seven years. This has been a great pleasure. I have been able to work […]
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June 21st, 2023
San Ignacio Lagoon: A Whale-Watching haven where Community and Conservation Thrive
The whale-watching activity with Gray whales in Baja California Sur began in this enchanting lagoon back in 1968, following an unforgettable encounter between the fisherman Pachico Mayoral and his friend Luis and a curious gray whale that approached their boat. News quickly spread within the fishing community about the whales’ curiosity, and by 1972, families […]