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Length / Width

32 m / 9 m

Year built / renovated

1985  / 2010

Rental equip.

YES ($)




YES ($)


  • The M/V Okeanos Aggressor II is a world-class liveaboard yacht offering year round diving cruises to the remote Cocos Island, a playground for hammerheads, eagle rays and whales
  • The unadulterated marine beauty of the Cocos Islands has been rated one of the top 10 best places to dive in the world - see it all with up to four action-packed dives each day, including spectacular dusk dives
  • Attentive crew of eight and a large diving platform and two warm, freshwater showers will ensure smooth diving and relaxing, with plenty of American fare and local cuisine on the onboard menu
  • Enjoy soft drinks, iced tea, beer and wine free of charge, while enjoying the partially-shaded sun deck with chaise lounges and deck chairs
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Enhanced Health Measures

Date of last update:Feb 17, 2023

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• Increased frequency of cleaning and surface santization. • All guest rooms are serviced twice daily with all soft goods are removed and washed in hot water and detergent and all hard surfaces are cleaned and sterilized. • Bathrooms and other frequently touched surfaces will receive extra attention. • Hand santizer provided in all common areas • Aggressor Adventures will not require the use of masks. If a guest chooses to wear a mask, they are welcome to do so. • Social distancing measures will be observed where possible and guests are encouraged to take meals outside. Self-service buffets are gone. • Mask/gear rinse buckets will be replaced by freshwater hoses. • All guests will undergo temperature checks before entering. Those with temperatures of 100.4F / 38.0C will be denied check-in and referred to local medical professionals for follow up. • All staff and service personnel will undergo morning and evening temperature checks.
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Dates & Prices

Prices include taxes. Prices shown may be for non-divers.
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You only need to pay 48h after your booking is confirmed.

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Booking process


Once we receive your booking, we double check availability with the dive operator and reserve your spot


We usually get back to you within 24 hours to confirm that your booking is final


You then have 48 hours to take care of other travel arrangements. Your credit card will only be charged after that period

Payment & cancellation

Payment terms

  • Now: 0%
  • 48 hours after booking confirmation: 45%
  • 120 days before trip start: 100%

Cancellation fee

Free cancellation for 48h after confirmation

  • 25.0% of the total booking amount will be charged if you cancel more than 127 days prior to arrival
  • 45.0% will be charged if you cancel between 127 and 98 days prior to arrival
  • 100.0% will be charged if you cancel less than 98 days prior to arrival



The Okeanos Aggressor II is your exotic escape to the lush, green uninhabited islands of Costa Rica 

Welcome to a liveaboard dive world filled with brilliant coral and amazing large marine animals. These uninhabited islands are home to some of the largest schools of large fish, Sharks, Rays and Whales on Earth.  Mixed with the allure of jungle adventures, the unique diving in warm waters with amazing visibility will top your all-time list of best-ever dives.

Surround yourself in schools of Hammerheads, White-tipped Sharks, Mantas, Bull Sharks  that school in the aquamarine waters of Cocos Island.

Headed for distant Costa Rica Pacific Island, the liveaboard Okeanos Aggressor II (formerly known as Wind Dancer), with its spacious and comfortable accomodation is a liveabaord that supplies Divers with a 10-night or 8-night dive package.


The liveaboard Okeanos Aggressor II was fitted for diving in 2010. You’ll find everything you need onboard to prepare for the dives of a lifetime and an experienced crew who will anticipate your every need.

Between dives on this liveaboard, enjoy the spacious Lounge as well as Sun Decks with loungers and chairs. A Cocktail Bar and Grill round out the on board, common amenities. The liveaboard Okeanos Aggressor II boasts 11 cabins to accommodate 22 guests. The Deluxe Staterooms include Lower Double beds and a Single Upper Bunk. The Master Stateroom on this liveabaord has a queen bed, while the spacious Owner Staterooms feature two single beds or a King size double bed, wood-paneling and a table for in-cabin dining. All rooms include private en-suite bathrooms, closets, port or picture window, individual climate control, hair dryer and media player, linen and fresh towels.

Guests normally dive 3 or 4 times a day on the liveaboard Okeanos Aggressor II and nitrox is available

All Divers are issued with personal satellite tracking devices to help minimize the risk of lost personnel at this remote spot. Photographers will appreciate the charging stations, camera table and camera rinse tank on the Dive Deck. The Saloon also features computers which can be used to review your latest images. Memories of diving on this Cocos liveaboard, whether recorded or not, will stay with you forever since it is a truly unique destination. 

Like the rest of the Aggressor fleet, you won’t leave the table hungry aboard the Okeanos Aggressor II.

Hot entrees, fruit and cereals are served for breakfast. Lunch is buffet-style and consists of soups, salads and sandwiches. Dinners are Chef prepared and served each evening as table side service and include salads, vegetables, seafood, beef or chicken with a fresh homemade dessert. Once onboard, please speak to the Chef about any special needs. Certain special dietary and beverage requests may not be available due to the remote nature of this location. 

As with all the Aggressor Fleet, soft drinks and alcohol are complimentary whilst onboard.

Of course, biscuits are served as a snack between major meals. There is no dress code on the liveaboard Okeanos Aggressor II so guests can relax in their own idea of comfort. The diving crew speaks both Spanish and English.


Please refer to logistics section of each itinerary to find detailed info on how to get there.

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Deck Plan


For your safety

  • Fire Alarm
  • Fire Extinguisher
  • Life Jackets
  • Life Rafts
  • Emergency Oxygen Kit
  • Automatic External Defibrillator (Aed)
  • First Aid Kits
  • Emergency Positioning Radio Beacon

Languages spoken

  • English
  • Spanish

Diving gear

  • Din/Int Adapters
  • Nitrox ($)
  • Rental Equipment ($)

PADI® Courses Available

  • Scuba Refresher
  • Advanced Open Water Diver
  • Nitrox Certification
  • Underwater Photography
  • Deep Diver Certification
  • Underwater Videographer
  • Wreck Diver
  • Drift Diving
  • Boat Diver
  • Other Specialties

Dive Center Facilities

  • Battery Charging Station
  • Warm-Water Showers
  • Fish Id And Diving Books

Boat Amenities


  • Land Excursions

Amenities & services

  • En-Suite Bathroom
  • Credit Cards Accepted
  • Air-Conditioning
  • Spacious Diving Platform
  • Separate Zodiac/Dhoni

Great for families

  • Movies

Sports & Watersports

  • Snorkeling


  • Visa
  • Mastercard
  • Cash (Usd)
  • Cash

Food & drink

  • Buffet
  • Alcohol
  • Vegetarian Food


  • Lounge/Tv Area


Dates & prices

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