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The Okeanos Aggressor II was built in 1985 and renovated in 2010 and will provide you with world-class diving experiences in Cocos Island. You will find that Cocos Island is uninhabited but is beaming with wildlife in and out of the water. The liveaboard has a length of 36meters/120ft and a beamwidth of 8meters/27ft. This liveaboard will ensure your stay is memorable and full of lasting memories.

A proper review of

The Overall Review

We spent 7.4 hours reading reviews from experts and divers about OKEANOS AGGRESSOR II Liveaboard.
In summary, this is what divers think:

The Okeanos Aggressor II
Okeanos Aggressor II liveaboard
Good liveaboard

4 reasons to dive

  • Some people noted that they meant fellow divers on the trip that have become lifelong friends
  • Divers said they were thrilled that they got to see Mobula, eagle, marble rays, silk, silvertip, and white tip sharks
  • Many people were happy with the marine life and the fact that they got to see wildlife
  • A couple of people noted that they were satisfied with the downtime between dives

1 reasons NOT to dive

  • Some people were taken back by the long journey to get to Cocos Island

Key facts

Year (re)built: 2010
Max divers 22
Internet No
Nitrox Yes ($)
Rental equip. Yes ($)
Camera station Yes
Min. logged dives No minimum
Aircon Yes


The avarage price for diving with this liveaboard is
per day.

We've calculated this price based on a 7 day stay.
To find the actual price you should look at these booking sites:

The right Liveaboard for you! is run by passionate divers with a love for great diving. Liveaboard diving is one of our favorite ways of diving.

We have done the research for you and found everything you need to know about OKEANOS AGGRESSOR II - we found the best prices and we've collected reviews from other divers.

If you choose to dive with this liveaboard, then please come back and leave a commet 🙂

Read the reviews

The passion behind this guide is run by passionate scuba geeks - and our liveaboard guides are no exception.

    Boby Taylor

    Liveaboard Director

    Boby has been diving and guiding on liveaboards since 2005, and love it

    Ron Simon

    Dive instructor/Liveaboard director

    Ron has been a Cruise Director on 10+ Liveaboards throughout the world and has a keen understanding...

    Torben Lonne

    PADI Instructor

    Torben is the Editor of Divein and a true water lover. 


  • Dive itineraries will last around 10 nights
  • The Okeanos Aggressor II can accommodate up to 22 guests
  • Sun deck comes with comfortable loungers
  • There are 10 air-conditioned staterooms on this liveaboard
  • 9 crew members will take care of all your needs
  • Meals are served three times a day
  • Get to explore the diving sites on Cocos Island
  • The dive deck is equipped with rinse tanks, charging
  • stations and a camera table
  • There are computers on the dive deck for U/W photographers
  • All the cabins have en-suite facilities


Description and details

Diving on the Okeanos Aggressor II in 

Okeanos Aggressor II liveaboard

The Okeanos Aggressor II has been in the diving scene for over 35 years and used to be known as the Wind Dancer before becoming part of the Aggressor fleet. This liveaboard has all the amenities you can expect from a world-class yacht like a sun deck, large dive deck, air-conditioning, en-suite bathroom facilities, and dive tenders. Nine professional and diligent crew members will cater to your every whim.

Interior and entertainment areas

On the Okeanos Aggressor II, you will be satisfied with 11 classy deluxe staterooms. These en-suite staterooms all have their en-suite bathrooms with hot and cold showers. Moreover, they have ample storage and a television for your viewing pleasure. You are guaranteed a wonderful night’s rest after a productive day of diving.
Relaxation & leisure areas on the Okeanos Aggressor II

In your leisure time, you can either spend time in the salon or head to the sun deck. Both areas have comfortable loungers and chairs and are always kept in a tidy and immaculate condition. The sun deck also boasts a barbeque and a cocktail bar area for sundowners as the stars start to appear.

Dive deck on the liveaboard

The dive deck is spaciously designed to maximize moveability by the divers and divemasters. Each diver will be issued a tracking device to ensure no-one gets lost in this remote region. The dive deck also offers facilities for budding U/W photographers like rinse tanks, charging stations and a camera table. There are also computers for you to utilize and view your fabulous pictures and videos taken on the Okeanos Aggressor.

Food on the liveaboard

One thing you can expect from all the liveaboards in the Aggressor fleet is the great food served by the chefs. Three meals a day are served with snacks throughout the day to keep up your energy levels. All soft drinks and alcoholic beverages are served complimentary to guests on board the liveaboard. Any specific dietary requirements should be made known to the crew and staff upon arrival on the Okeanos Aggressor.


This liveaboard has the privilege to dive into the waters of the Cocos Islands. A normal Okeanos Aggressor itinerary will last around ten nights. Diving is done all year round because of the tropical climate that can be found in Costa Rica.

Boat features
  • Camera Station
  • Audio & video entertainment
  • TV in cabins
  • Air Conditioned saloon
  • Aircon Cabins
  • Sun Deck
  • Indoor Saloon
  • Non-Diver (Snorkeler) Friendly
  • Warm Water Showers
  • Camera room with table and charging point
  • Custom built for diving
  • Charging stations
  • En-Suite bathrooms
  • Paid Internet
  • Non-Smoking Rooms
  • Outside Showers
  • Snorkeling Equipment
  • Separate Rinse for u/w Camera
  • Leisure Deck
  • Bar
  • BBQ Area
  • Available for Charter
  • Jacuzzi / Hot Tub

Comments and feedback from other divers

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