Nautilus UnderSea
Nautilus UnderSea
The UnderSea first entered service in 1968 as the personal submarine tender to Dr. Perry of Perry Oceanographic. This sturdy and brave ship became one of the most famous dive boats in the world as the Undersea Hunter voyaging out to Cocos Island and in IMAX adventures around the South Pacific. 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.
Suites
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1 Triple Stateroom
Main deck. 2 bunk beds, with 1 of the bunks for extra storage. Ensuite with private shower and individually-controlled air conditioning.
NOTE: Space is tight in our well-priced triples. -
6 Staterooms
Lower deck. Upper and lower beds. Configuration varies between the 6 staterooms. Ensuites with private showers and individually-controlled air conditioning (A,B,C,D,E & F).
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ADA Compatible Stateroom
Adjacent to the dive deck. Wheelchair friendly. Twin beds. Huge window! Ensuite with private shower and individually-controlled air conditioning (Rosario).
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1 Premium Suite
A large premium suite on the sun deck can be configured into two full beds or one large bed. Flat screen TV, multiple windows, ensuite, plenty of storage space, individually-controlled air conditioning and easy access to the hot tub (Emerald).
UnderSea Features
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Intimate Groups
Just 19 divers combined with Nautilus spaciousness and comfort and a huge dive deck and water level platform.
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Huge Camera tables
Large space for everybody to get their photo gear ready before diving.
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Strong
Heavy steel construction with stabilization designed for ocean crossings. ISM Safety Management System.
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Safe
Fire safety, designed with sprinkles, emergency exits, night watchman.
View certificates
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Legendary
The UnderSea may look different these days, but she still has the same heart and spirit that made her a diving legend.
Specifications
- Launched in 1968, rebuilt 2017
- 105 ft long
- Stabilized
- ISM safety certified
- 9 ensuite staterooms and suites
- 19 guests, 9 crew
- Internet access and satellite phone
- High capacity water makers
- Freshwater hot tub
- Air fills, nitrox, rebreather friendly.
- Fully-stocked extensive bar (single malts, micro brews, a great selection of wine)
Lower Deck
6 staterooms on the lower deck.
Main Deck
Main lounge and dining room, dive deck, water level platform, ADA compatible stateroom, and triple stateroom.
Sun Deck
Sun loungers, al fresco lounge, bar, hot tub and premium suite.
Featured Trips
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Socorro Island Giant Mantas, Sharks, and Dolphins
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. With 11 different species of sharks and playful bottlenose dolphins trying to outdo the mantas to see who can be the most playful with scuba divers.
More info -
Ultimate Whale Sharks Sea of Cortez Adventures
This adventure combines some of the best diving in the Sea of Cortez supported by our spotter airplane with a large seasonal gathering of whale sharks in a deserted bay in the middle of nowhere.
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Orcas in the Sea of Cortez
Our guests encounter and interact year-round with friendly California sea lions and mega pods of bottlenose dolphins. Colossal fin whales (second in size only to blue whales), sperm whales, rays, and whale sharks are present year-round and migrate seasonally up and down the Sea of Cortez. Pilot whales, pseudo orcas, and minke whales are also known to migrate in the area, although they are less commonly seen.
More info -
Immerse Yourself in the Sea of Cortez
The Sea of Cortez is a diver’s paradise. With its unique ecosystem and the overall natural beauty, have earned a UNESCO World Heritage Site status. We have been diving here for almost 5 decades and every time it has been exciting! Come see firsthand why this sea is called the “Aquarium of the World” and all of it’s natural wonders.
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