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This luxury 33 metre liveaboard departs throughout the year on dedicated diving adventures to the remote Cocos Island, where pelagic species abound.

The Okeanos Aggressor yacht departs on a series of eight night charters (Sat-Sun) with five days diving, and ten night trips (Tue-Fri) with seven days of diving.

Accommodating 22 guests, the vessel features nine deluxe staterooms with double/single berths and one with quadruple occupancy. All are furnished with air-conditioning, en-suite bathroom and TV/DVD. There is a separate dining room and spacious lounge with a partially covered sun deck, wet bar and grill on board. The well-equipped dive deck has personal gear lockers, rinse tanks and a three-tier camera table with low pressure air hoses. Digital photo facilities are offered on board and photo-pros are available for free coaching with equipment rental.

Up to four dives a day (including optional night dive three times a week) are offered to sites around the immense, volcanic Cocos Island. Diving is from a spacious tender. The boat is equipped with 12L tanks (Yoke) and, with enough notice it’s possible to rent a 15L tank. Nitrox is available for a surcharge. It is recommended that you travel with a spare kit and safety equipment, however all divers will be provided with a GPS locator that operates through satellite in case of an emergency during the trip.

The primary marine attractions around Cocos Island are the large pelagics - hammerhead sharks, rays, mantas, turtles and enormous schools of fish. Occasionally there are sightings of whale sharks, marlin and bottle-nosed dolphin. The bottom of the ocean floor at Cocos Island is volcanic rock and most of the action is found around 30 metres with visibility ranging from 24-30 metres. Definitely a hit with photographers! 

View suggested itinerary

Key info

  • Available*: May-Nov: Choppy seas, but outstanding hammerhead encounters; Dec-Apr: Often less shark encounters, but seas are calmer and conditions more favourable for diving
  • Departures: View all departure dates
  • Length: 33 metres
  • Maximum guests: 22
  • Nitrox available
  • Photo facilities available
  • Suitable for:
    • Intermediate
    • Advanced
  • Ideal for:
    • Groups
    • Singles


Search for your ideal departure below, and then enquire to confirm availability and book.

Dive trips

This liveaboard is featured in the following itinerary:

Cocos Island Liveaboard

Exclusive departures in 2018 & 2019

Cocos Island is one of the world's finest liveaboard destinations, and you can expect to see hammerhead, silky, silvertip, Galapagos and white-tip sharks on this exceptional trip, as well as eagle and manta rays.

  • When to go: Jan-Dec
  • Duration inc. flights: 14 days
  • Price inc. flights: From £5,095 pp
  • Trip type: Liveaboard trip