Cassiopeia Liveaboard, Mexico

    • Internet
    • Nitrox available
  • from $ 328 / day


    • Dive with giant Pacific Manta Rays, Dolphins, and several shark species
    • Comfortable cabins with a 32-inch TV, AC, and ensuite bathrooms

Formerly known as Socorro Aggressor, the Cassiopeia offers diving safaris around Socorro Island in the Revillagigedo archipelago and the Sea of Cortez. The 13 staterooms accommodate 26 guests; the Deluxe Staterooms have two single beds, and the Master Staterooms have a queen-size bed. Each stateroom has its own en-suite bathroom, bathrobes, hairdryer, fresh towels, individual climate control, a monitor with a media player, and storage space to keep guests’ belongings. The Cassiopeia has plenty of space to socialize with other guests or unwind in your own space. The main deck's air-conditioned salon and dining room are where fresh international and local dishes such as tortilla soup and tacos are served. There are loungers and a partially covered area for sunbathing or enjoying the sunset. The outdoor terrace and bar are perfect for relaxing at the end of the day to discuss the latest wildlife sightings.

The Cassiopeia visits Socorro & Revillagigedo from November to May and the Sea of Cortez from August to November. At Socorro, divers can expect up-close encounters with giant Pacific manta rays, playful dolphins, humpback whales, and up to 10 species of shark, including whale sharks, at the famous Revillagigedo Islands of Socorro, San Benedicto, and Roca Partida. In the Sea of Cortez, also known as “The World’s Aquarium,” the Cassiopeia visits Isla San José, Isla Cerralvo, and La Paz in Baja California Sur. Divers can expect to encounter sea lions and hammerheads, witness Mobula ray migrations, and see humpback whales.

Book your liveaboard adventure on the Cassiopeia today.

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Included: VAT, Hotel Transfer, Alcoholic Beverages, Drinking Water, Soft drinks, Tea & Coffee, Welcome Cocktails, Full-Board Meal Plan (All meals), Snacks, Diving Package, Cabin Towels, Complimentary Toiletries, Deck Towels.

Required Extras: Fuel Surcharge (0-200 USD per trip), National Park Fees (78-640 USD per trip).

Optional Extras: Gratuities, Airport Transfer, Nitrox (125 USD per trip), Nitrox Course, Rental Gear, Scuba Diving Courses, WiFi internet.

Book now, pay later: You can easily place your booking online. We will then hold the spaces for you and you can confirm with a payment later.

* Extra fees are shown per person.

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Boat features

  • Daily housekeeping
  • Audio & video entertainment
  • Air Conditioned saloon
  • Aircon Cabins
  • Sun Deck
  • Indoor Saloon
  • Warm Water Showers
  • Custom built for diving
  • Charging stations
  • En-Suite bathrooms
  • Paid Internet
  • Non-Smoking Rooms
  • Seaview Cabins
  • Dedicated Local & International Crew
  • Leisure Deck
  • Observation Deck
  • Bar
  • BBQ Area
  • Available for Charter

Food & Drinks

  • Western Food
  • Local Food
  • Vegetarian Options
  • Beer available
  • Snacks All Day
  • Free Wine w/Dinner
  • Vegan Options
  • Fine Wines Selection
  • Free Soft Drinks
  • Set Menu Dinner
  • Welcome Cocktails

If you have any specific dietary requirements whilst on-board your cruise, you can add this to your special requests on step 2 of the booking form. We advise limiting these requests to religious beliefs or food allergies.


  • DIN Adaptors
  • Nitrox available
  • Rinse Hoses
  • Dive deck
  • Tenders for diving
  • Shaded Diving Area

The crew speaks English and Spanish.

Gear Rental

There is diving gear available on this boat. Please provide your rental needs on the booking form. See below for further details on inclusions and pricing. Show prices.

Drawings & Vessel Layouts

#deckplan floorplan

Boat Specifications

  • Year built 2005
  • Year renovated 2022
  • Length 39.2 meters
  • Beam 8 meters
  • Top speed 15 knots
  • Cruising speed 12 knots
  • Engines 2 man
  • Max guests 26
  • Number of cabins 13
  • Number of bathrooms 16
  • Tenders 3
  • Water capacity 18 tons
  • Fuel capacity 25 tons

Boat Navigation and Safety

  • Radar
  • Depth Sounder
  • GPS
  • Radio VHF/DSC/SSB
  • E.P.I.R.B. Distress System
  • Emergency Rafts
  • Life Vests
  • Fire Alarm & Fire Extinguishers
  • Oxygen
  • First Aid Kits
  • Satellite & mobile phones
  • Bilge pump alarm
  • Search light
  • Crew trained in first aid
  • Emergency flares