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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 9.6 out of 10
  • 9.6 Exceptional
  • luis manuel A
  • Flag of Spain Spain

Best diving so far.

Had a blast!!

Recommended for
friendly crew, New diving friends, Whale shark!!
  • Rating 10 out of 10
  • 10 Exceptional
  • Thomas R
  • Flag of Germany Germany

Nice dive trip in a relaxed atmosphere

A spectacular dive with a baitball and hunting sharks, dolphins, tunas ect..Another great dive with a pack of mating marble rays.Shore leave to a viewpoint on the island with spectacular views.

Recommended for
Great crew, the nature and wildlife of the Cocos Islands, the food and the free drinks on the boat!
Translated from German
  • Rating 8.8 out of 10
  • 8.8 Fabulous
  • Nora S
  • Flag of Hungary Hungary

World-class diving, friendly and professional staff

The two favourite dive sites - Dirty Rock and Punta María - and the night dives has offered me a magic that i will never forget. The island is intact, true nature, the sky is full of shiny stars. On the top of this the staff is really professional and ready to serve the guest with the highest possibilities with a big smile. Lifelong experience. Thank you.

Recommended for
Unique dive sites, pristine nature, great service :-)

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