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Okeanos Aggressor, Costa Rica

Rating 8.7 out of 10 8.7 Fabulous

“Food was excellent and the level of service on the boat and when diving was fantastic. ”

Stephen B, Flag of United Kingdom United Kingdom

Highlights

  • Dive with Hammerheads, Eagle rays, and Whales at one of the worlds’ top dive destinations - Cocos Island
  • Soft drinks, iced tea, beer, and wine are complimentary
  • Fully kitted dive deck including personal storage lockers, three-tier camera table with low-pressure air hoses and warm freshwater showers

The Okeanos Aggressor I liveaboard schedules year-round trips to Cocos Island, one of the worlds’ top diving destinations. Diving in Costa Rica means the chance to get up close with schooling hammerheads, mantas, whale sharks, tiger sharks, white tip reef sharks, rays, turtles and huge schools of fish. There is a 36-hour crossing to Cocos Island, but divers will be rewarded with incredible diving and big-fish action and up to 24 dives on the 10-night trip are available. The dive deck is spacious and allows ample room for kitting up, personal gear storage and camera equipment. Nitrox is also available for those certified.

Choose your departure date

This liveaboard does not currently have availability online. Please contact us to check availability and rates or browse other liveaboards worldwide
2026
2027
2028

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

Required Extras: Dive Insurance, Chamber Fees (30 USD per trip), National Park Fees (396-554 USD per trip), Port Fees.

Optional Extras: Travel Insurance, Gratuities, Airport Transfer, Extra Dives, Nitrox, Nitrox Course, Rental Gear, Scuba Diving Courses, Snorkel Gear.

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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Drawings & Vessel Layouts

#deckplan floorplan

Cabin Types

Okeanos Aggressor Reviews

  • Rating 8.7 out of 10
  • 8.7 Fabulous
  1. Vessel
    7.6
  2. Crew
    9.4
  3. Food
    9.6
  4. Diving
    8.8
  5. Value
    8.2
  • Rating 10 out of 10
  • 10 Exceptional
  • Felix F
  • Flag of United States United States

Extraordinary

Everything was perfect

Recommended for
The crew, the dive sites, the food
  • Rating 10 out of 10
  • 10 Exceptional
  • Joshua M
  • Flag of United States United States

Epic

Tigers hunting, hammers swarming, Galapagos swaying by, silkys darting, white tips everywhere, black and silver tips appeared a few times, too! All the Marine life at Coco's makes it amazing, unforgettable and like none other! The island is the most beautiful in the world.-JC And it's true!!

Recommended for
Diving, Crew
  • Rating 9.2 out of 10
  • 9.2 Superb
  • Asger B
  • Flag of Denmark Denmark

Exelent very high level of service and very frendly staff

Brilliant 100 pct

Recommended for
The captain mr Beco 2 the dive sites 3 the very frendly and helpfull staff and exelent food
  • Rating 8.4 out of 10
  • 8.4 Very good
  • Annie B
  • Flag of Canada Canada

Unforgettable

All dive were incredible ! The schools of hammerhead, the Tigers sharks, galapagos, silky sharks and i had multiple interactions with 2 frogs fish! Amazing

Recommended for
The sharks, the crew, the beauty of the ocean

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