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!
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
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Nautilus Belle Amie
Launched in 2015
147 feet long
Ultra-quiet
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Nautilus UnderSea
105 feet long
Full-width superstructure
Enclosed dive deck
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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.
Blogs
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Socorro Season Like No Other
We’ve been diving Socorro since 1978 and have never seen a season like this. Yeah. In the old days, the diving was phenomenal, with stories of 30 giant mantas circling the divers and loads of sharks. Our first boat was the funky old 120 ft wooden Baja Explorador, a converted research boat sans air conditioning (everyone slept […]
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Does a spotter airplane make any difference to our Sea of Cortez trips???
Heck yes!! Take yesterday, for example. It was a nice day in late July, the first dive day on an Ultimate Whale Shark expedition to Bahia de Los Angeles. We were anchored off Las Animas, north of La Paz. The warm-up dive was great, with loads of fish and California sea lions. Our guests loved it. For […]
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Costa Rica Extension 6 Days / 5 Nights Liveaboard – $1995
Costa Rica is home to some of the world’s greatest biodiversity, with dense jungles, rainforests, national parks, volcanoes, rushing rivers, spectacular waterfalls, sandy beaches, and of course, beautiful diving, hiking, kayaking and swimming. Experiencing the diving, tropical rainforests and national parks of Costa Rica is something not to be missed. On this expedition, we will spend […]
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The perfect end to an amazing trip.
There is no better way to end a mobula and orca trip. Today, the last day of a trip where it must be said, we have had luck and help from the entire Nautilus team, such as the plane that helps us every day to spot marine life, other ships such as the Nautilus Undersea […]
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20ft whale shark with 4 juveniles!
What a great welcome the north of the Sea of Cortez has given us. Yesterday we arrived at the beautiful bahia de los Angeles, after a very beautiful journey seeing the coast of the peninsula of Baja California and Baja California Norte. As it could not be otherwise, this magical sea gave us the passage […]
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Whale sharks, mobulas, hammerheads, and more!
“Today was the best day EVER. We swam with whale sharks and mobula, saw hammerhead, countless birds, and coyote trotting across the beach. And to cap it off, an early evening dive and yet another delicious dinner onboard. Loving our time with Nautilus!” -Boyd Family “Today will go down as one of the greatest days […]
