Okeanos Aggressor Liveaboard

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The Okeanos Aggressor offers some of the world’s most unique diving. Arguably the best dive location in the world. On board the Okeanos aggressor you’ll experience large pelagic dive action unlike anywhere else. The cocos islands are famous for their schooling hammerheads, huge manta rays and other schooling pelagics. A dive trip on board the Okeanos Aggressor live aboard is an experience that every diver will cherish forever.

Okeanos Aggressor

The Okeanos Aggressor Liveaboard

The diving onboard the Okeanos Aggressor is more for the experienced diver already with a fair amount of travel experience. It’s an adventure just transferring to the ship. However once onboard the Okeanos Aggressor you’ll be rewarded with unparallel diving and comfort. The Okeanos Aggressor runs 9 or 10 night trips which are generally longer than other Aggressor liveaboards. This trip has a feel of adventure about it without foregoing any of the creature comforts you’ve come to expect from the Aggressor live aboard fleet. Camera rental, nitrox, rebreathers and E6 film processing are all available to help make this your best ever dive vacation.

Okeanos Aggressor Liveaboard Video

If you like diving with and taking photos of “big stuff” (technical term for the boffins) you’ll love the Okeanos Aggressor and the Cocos Islands out of Costa Rica.


The Okeanos Aggressor can comfortably host a maximum of 22 guests across its 10 upper and lower deck cabins. All of the staterooms are air-conditioned with private bathrooms including a shower and a hairdryer. There is a TV with a DVD player in each room and closet space for personal belongings.

3 Deluxe Staterooms (Upper Deck)

The deluxe rooms on the upper deck have a port window. Sleeping arrangements include a bunk style arrangement with a double bed on the lower bunk and a single bed on the upper bunk.

6 Deluxe Staterooms (Lower Deck)

There are 2 single beds arranged into bunks in the lower deck staterooms. There is a porthole in each room.

1 Quad Stateroom (Lower Deck)

The quad room has 2 bunk beds each with a full-size bed on the bottom bunk and a single bed on the top. The quad room also has a porthole as it is located on the lower deck.

Sarah, United States September 18, 2017

We all had a fantastic time on board the lovely Okeanos Aggressor and are already thinking about booking our next adventure.

Although Cocos Island is certainly an amazing area, the entrance fee to this national park has dramatically increased over the last few years, which is why our next trip on board the Okeanos Aggressor will be elsewhere in Costa Rica.

The liveaboard itself is really great and all our needs were met by the friendly, helpful crew.

Recommended for: Great diving, although costly entrance fees to Cocos Island.


Paulina, Canada September 18, 2017

We visited Costa Rica during the month of February on board the fantastic Okeanos Aggressor. The entire experience was a thoroughly enjoyable adventure and one that I would highly recommend.

The food was high quality and great value and the diving was beyond anything I’ve ever experienced!

I can’t wait to visit Costa Rica again with the Okeanos Aggressor!

Recommended for: The entire experience


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