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
Tour Ship -
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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One gray whale jumped five times!
We interacted with whales, saw many spy hops. One whale breached five times! We saw Tigresa, a whale that we have been seeing for weeks.
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School of hammerheads and a super friendly manta
The mantas were playful and friendly. Dolphins came along to play with the divers too! Lots of sharks! School of hammerheads.
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San Ignacio: A Sanctuary Protected by Its People
San Ignacio Lagoon is not just a sanctuary for grey whales—it’s a school for those who wish to protect them.
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Chavalo’s Lagoon
With patience and respect, he positions the boat carefully, always giving them space, never forcing an interaction.
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“A National Geographic-type experience.”
7 playful mantas, a pod of friendly dolphins, and humpback whales breaching. Diving at Socorro is amazing.
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The Heart of the Reserve: Where Whales and Birds Meet
San Ignacio Lagoon is not just home to whales—it is the beating heart of the Vizcaíno Biosphere Reserve, a place where life thrives in all its forms. Along the mangroves, snowy egrets and herons wade gracefully, their reflections dancing on the water. Brown pelicans skim the surface, while osprey circle above, scanning for fish. This […]
