Offering liveaboard expeditions to the big marine animal destinations of Socorro and Guadalupe Islands, the Nautilus Undersea is one of three luxurious Nautilus liveaboards. It is the company's newest acquisition, in addition to the Nautilus Explorer and Nautilus Belle Amie, and was previously sailing Cocos Islands as the Undersea Hunter.
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The Nautilus Undersea accommodates 18 guests on its 95-foot steel boat, with 5, 6, 8 and 10-night liveaboard itineraries to select from. Come face-to-face with great white sharks in the waters surrounding Guadalupe Island or encounter giant manta rays, humpback whales and ten different shark species during a Socorro Island expedition.
The Nautilus Undersea offers eight cabins for guests to select from, all of which are air-conditioned and with en-suite bathrooms.
The luxurious Emerald Suite is the Nautilus Undersea’s premium accommodation option, situated on the Upper Deck and with easy access to the hot tub. It features one large bed (which can be configured into two beds), together with ocean-facing windows and a flat-screen TV.
There are six Double Staterooms to select from on the Lower Deck, all of which are available for double occupancy with one large bed and a bunk above.
The Nautilus Undersea offers one affordable Quad Stateroom on the Main Deck, with two sets of bunk beds in each to accommodate four people.
Meals onboard the Nautilus Undersea begin with a pre-dive continental breakfast of freshly baked goods, tropical fruits, homemade granola, oatmeal and juices, with a full cooked breakfast served after the first dive. Expect cooked-to-order eggs, pancakes, French toast, hash browns, bacon and sausages, as well as some Mexican influences with bean and rice burritos.
Lunches feature a fusion of Mexican and North American cuisine, with tacos, burgers, fajitas, pizzas and deli sandwiches which are served with a soup of the day and fresh salads. Dinners are usually served buffet-style, with a range of meat and seafood dishes, together with vegetarian, vegan and kosher on request.
Snacks such as homemade cookies, brownies and cheese platters are served in between dives, while tea, juice and sodas are also available complimentary. A wide range of alcoholic beverages are also available to purchase onboard, including red and white wine, champagne, beer and select liquor.
The Nautilus Undersea is equipped with a state-of-the-art VSAT open-ocean satellite system which provides 24-hour data and internet connectivity. Guests can relax in the Main Deck lounge which boasts a multi-system TV, stereo, slide projector and DVD player or kick back in one of the lounge chairs on the spacious sundeck.
The Upper Deck also includes an indulgent hot tub, together with a bar where you can grab a drink and mingle with fellow divers. Both kayaks and paddle boards are available for guests to explore above the water’s surface, while the expansive bow space is the perfect place to catch a glimpse of dolphins surfing the vessel’s wake.
Nautilus liveaboards have more than 25 years experience offering big animal dive encounters and their expeditions to Socorro and Guadalupe onboard the Nautilus Undersea continue this tradition. The clear, calm waters of Guadalupe Island are famed for their great white sharks, ranging in size from 12 to 19 feet (3.5 to 6 meter). Nautilus liveaboards use submersible cages which descend down to 30 feet (9 meters) where the sharks are known to congregate, with a minimum of three dives offered each day and unlimited time in surface cages.
Visibility normally ranges from 125 to 150 feet (38 to 45 meters), with great whites encountered here throughout the year. July and August are known for aggressive gangs of male sharks, while October and November see females arrive at Guadalupe. Water temperatures range from around 68°F (20°C) in winter to 72°F (22°C) in summer and divers with little experience can participate due to the caged setting.
Nautilus Undersea also ventures to Socorro Island in the Revillagigedo archipelago which lies around 370 miles (600 kilometers) off Mexico’s west coast. It is renowned for its 12 to 16 foot (3.5 to 5 meter) manta rays which interact intimately with divers - locking eyes, swimming overhead to be tickled by bubbles and hovering alongside or beneath divers. Humpback whales are also known to frequent these waters, together with hammerhead sharks, tiger sharks, dolphins and the occasional thresher shark.
Nautilus liveaboards to Socorro include up to four dives per day, with visibility normally ranging from around 70-100 feet (20 to 30 meters). However, when currents increase, volcanic ash levels rise and can reduce visibility to around 30 feet (9 meters). Giant mantas are encountered throughout the year, while humpbacks visit from January through to April.
Dives are conducted from either a 25-foot fibreglass dive boat or a 32-foot aluminum skiff, with nitrox available for certified divers at an additional charge. Tanks with both DIN and INT valves are provided (15-liter tanks are available at an extra cost), together with weight belts and weights, while other dive gear can be rented for the duration of the Nautilus liveaboard trip.
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