Okeanos Aggressor, Costa Rica
- from $ 367 / day
- 8.8 Fabulous
- 69 Verified Reviews 69 Verified Reviews
- Nitrox available
Highlights
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.
The Okeanos Aggressor I liveaboard offers comfortable lodgings for 22 guests in `4 deluxe cabins, 2 twin cabins and 1 quad cabin located on the lower deck, and 3 deluxe cabins located on the upper deck. Each stateroom is en-suite with individually controlled AC, TV and media player and ample storage space. Meals are served in the large dining room and consist of a variety of freshly prepared cuisine of local flavours, American and BBQ. There is also a large salon with an entertainment system, complete photo centre and library, and on the sun deck are comfortable loungers, deck chairs, bar and grill. The highly trained and experienced crew of the Okeanos Aggressor are ready and waiting to share the magical beauty of Cocos Island both above and below the water.
Book your Okeanos Aggressor liveaboard easily online today.
The Aggressor team have implemented additional measures in line with the recommendations from the Center for Disease Control (CDC, USA) or European Center for Disease Prevention and Control (ECDC, EU) to further ensure the safety of all guests on board. These measures include (but are not limited to) an increased frequency in cleaning and sanitizing public areas, guest rooms preparation procedure upgrade and rooms to be serviced twice daily.
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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 (350-490 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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Boat features
Food & Drinks
If you have any specific dietary requirements whilst on-board your cruise, you can add this to your special requests on step 2 of the booking form. We advise limiting these requests to religious beliefs or food allergies.
Diving
The crew speaks English.
Gear Rental
There is diving gear available on this boat. Please provide your rental needs on the booking form. See below for further details on inclusions and pricing. Show prices.
Drawings & Vessel Layouts
Accommodation
Boat Specifications
- Length 110 feet
- Beam 24 feet
- Cruising speed 10 knots
- Max guests 22
- Number of cabins 10
- Number of bathrooms 12
Boat Navigation and Safety
Okeanos Aggressor Reviews
- 8.8 Fabulous
- 69 Verified Reviews
- Vessel 7.7
- Crew 9.5
- Food 9.7
- Diving 8.9
- Value 8.3
- 9.6 Exceptional
- paul B
![United States]()
United States
amazing liveaboard adventure
Great trip. I'm already planning the next one to a different point in Costa Rica. The only drawback has nothing to do with the Okeanos: seemingly due to national politics, the park fee to Cocos Isl has doubled two years ago to roughly $500.There has been a lot of grumbling about this. Thus, I won't be going back to Cocos until, hopefully after the next prime minister's election, this policy is amended to a more reasonable price.
- Recommended for
- s/a
- 8.8 Fabulous
- Neil K
![United States]()
United States
Great diving, excellent crew
Any
- Recommended for
- Other divers on board were perfect, crew, diving
- 9.6 Exceptional
- Heidi H
![United States]()
United States
Diving wirh the sharks was one of the most incredible and rewarding experiences of my life.
Diving with the hammerheads, white tips, and rays. Being in the ocean experiencing and being part of the ecosystem. And feeling safe thanks to Warren and the other dive masters. Also seeing the dolphins surrounding the panga on one of the dives. The food and service was excellent. Muchas Gracias!
- Recommended for
- The staff service with nitrox refills, donning BCDs and retrieving them at dive sites, and the excellent meals.
- 8.4 Very good
- vanessa J
![United States]()
United States
1st trip through liveabord.com, will not be my last
excellent service from most of the staff. Great mix of people from the US and Europe. Food was better than expected. YOU NEED TO HAVE WI-FI ON ALL BOATS.
- Recommended for
- fellow divers, most of the staff, service
- 10 Exceptional
- Michael P
![United States]()
United States
Worth waiting 49 years of diving for the beginning to the end perfect trip!
The Crew set the attitude for a great trip full of fun, cooperation, scheduling, excitement, experience and safe diving!
- Recommended for
- The Crew, Sea life and the Crew!
- 10 Exceptional
- Joshua M
![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
- 7.6 Good
- ALVARO D
![United States]()
United States
Nice diving, best crew.
For the price of this liveaboard and the park fees (500$), I suggest to go only in winter season, with better currents and much more marine life. Divemasters can push harder to find marine life instead taking pictures to sell to divers at the end of the trip. Anycase, exceptional service of all staff and incredible destination.
- Recommended for
- Consider to to travel only in winter season.
- 7.2 Good
- Alice R
![United States]()
United States
A good overall liveaboard experience.
The crew and the diving.
- Recommended for
- Food, crew, diving.
- 9.6 Exceptional
- Michael F
![United States]()
United States
Absolutely amazing everyone was friendly and helpful
Whale shark
- Recommended for
- The fish life
- 10 Exceptional
- Felix F
![United States]()
United States
Extraordinary
Everything was perfect
- Recommended for
- The crew, the dive sites, the food
- 9.2 Superb
- Sheri C
![United States]()
United States
Once in a life time experience.
Did three 100 foot dives a day for 7 days with my wife and two sons. Saw numerous sharks and other species in a natural environment that appears to be not to harmed by man. The crew could not have been any nicer or accommodating. They take their jobs seriously and are good stewards for the island.
- Recommended for
- The diving, crew and food
- 10 Exceptional
- George S
![United States]()
United States
Great crew, great food, beautiful dives
Every dive was a shark dive, and we got to see a variety of these majestic creatures every day. We also took shore trips to bathe in rivers and waterfalls. Every meal was nutritious and gourmet, with just the sorts of food needed to sustain diving.
- Recommended for
- Beautiful dives/setting, quality of food, professionalism of crew
- 9.2 Superb
- Chad L
![United States]()
United States
Top notch in every aspect!
The diving was incredible- hammers on every dive (and whitetips, blacktips, Galapagos, silvertips), lots of rays, schools of jacks/snapper/grunts, frog fish, flounder, lobster, and hundreds of other types of fish. Swimming under waterfalls our playing soccer on the beach between dives...all in paradise. I can't wait to go back!
- Recommended for
- I have been on a number of liveaboards and the Okeanos/Cocos was #1 in both the diving and the staff. We were seriously well taken care of- friendly staff, consistently excellent food, efficiently managed dives,, and oh my, what dives! Healthy reefs teaming with life on all scales, all in the midst spectacularly beautiful location!
- 9.6 Exceptional
- Nathan W
![United States]()
United States
Incredible experience only matched by the incredible staff on board.
Seeing the hammerheads up close, a whale shark and swimming with the dolphins. The vibe was super positive with the staff and other guests on the trip so not a bad way to spend 10 days stuck on a boat together.
- Recommended for
- Diving, staff friendliness and food
- 8.0 Very good
- Jack B
![United States]()
United States
Great dive trip…SO MANY HAMMERHEADS…
Sharks, sharks, and more sharks…
- Recommended for
- 1. Location is incredible, though long getting there. 2. Food was good and the chefs and help are very diligent. 3. Shore trips were a nice plus.
- 9.6 Exceptional
- Nicholas B
![United Kingdom]()
United Kingdom
Okeanos aggressor and cocos rock
Fantastic experience, long way out, but makes it exclusive, fantastic amount of shark encounters, great boat and crew, great food, a must for all serious divers!
- Recommended for
- Sharks, sharks and what must be the best night dive in the world
- 9.2 Superb
- Asger B
![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
- 9.6 Exceptional
- luis manuel A
![Spain]()
Spain
Best diving so far.
Had a blast!!
- Recommended for
- friendly crew, New diving friends, Whale shark!!
- 10 Exceptional
- Nicholas B
![United Kingdom]()
United Kingdom
Okeanos aggressor and cocos rock
Fantastic experience, long way out, but makes it exclusive, fantastic amount of shark encounters, great boat and crew, great food, a must for all serious divers!
- Recommended for
- Sharks, sharks and what must be the best night dive in the world
- 9.2 Superb
- Helena S
![United Kingdom]()
United Kingdom
Trip of a lifetime
3 new species of shark, including tiger! Remoteness of the destination felt very special.
- Recommended for
- Sharks galore, incredible service, brilliant photos taken by captain
- 8.4 Very good
- Anette S
![Norway]()
Norway
magical diving in Cocos island
My reason to go to Cocos island was to see sharks. I saw a lot of them, mainly hammerhead sharks, whittip sharks and some tiger sharks. The hole experience was amazing. Thanks to the chef who prepared delicious food every day.
- Recommended for
- Food, Crew and diving spots
- 7.6 Good
- Jamieson A
![Canada]()
Canada
Trip of a lifetime
The diving was incredible, one of the best places in the world to dive hands down. The food was plentiful and of high caliber, there was almost too much too eat. The crew was very hospitable and catered everything almost too well. The captain needs to realize that this trip is for the costumers and getting in the way with his huge camera while diving was an inconvenience. Although, his photos are amazing and I am happy that he provided them to us. But when a client is having an amazing experience with a Tiger shark, Hammerhead, Galapagos etc. the last thing they want is to have someone move in front of them (or their camera) to get a better shot.
- Recommended for
- The Diving, Food and Hospitality
- 8.0 Very good
- Brenton S
![Australia]()
Australia
Cano Adventure
Mantas! Lots of sea life
- Recommended for
- Crew, food and the diving at Cano
- 8.8 Fabulous
- Nora S
![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 :-)
- 9.6 Exceptional
- Andreas S
![Switzerland]()
Switzerland
Fantastic dives and awesome crew ensuring a great overall experience.
Alcyone hammerhead dives Manuelita hammerhead and tiger dives Small dos amigos hammerhead and galapagos dives Whitetip night dives The food The crew
- Recommended for
- 1. The wall of hammerhead sharks, 2. The tiger sharks, 3. The galapagos sharks
- 10 Exceptional
- JUAN L
![Spain]()
Spain
Brilliant
So many sharks everywhere. It is tough to get there but I would say it is one of the las paradises on earth.
- Recommended for
- The help, the food, the diving.
- 10 Exceptional
- Martin B
![Canada]()
Canada
Fantastic Great trip!
Schools of Hammerheads ,Tiger shark, Galapagos sharks , Biggest lobster i have seen ! Rays, all together we saw over 700 sharks in 21 dives!Roger my Brother and Diving Buddy always Fun when he enters without fins LOL !
- Recommended for
- Diving Food Staff
- 8.4 Very good
- Zvi Z
![Israel]()
Israel
Very pleast
Diving
- Recommended for
- Crew crew crew
- 7.2 Good
- Richard S
![Switzerland]()
Switzerland
The diving is excellent, the company has room for improvement.
Schools of hammerheads.... wale sharks! (Alcyone, Small Dos Amigos, Dirty Rock)
- Recommended for
- Diving, Dive buddies, Crew
- 6.0 Review score
- JOSE M
![Spain]()
Spain
Aceptable
Encuentro tiburón tigre
- Recommended for
- Buceo
- 8.4 Very good
- Mattheus W
![Netherlands]()
Netherlands
Amazing trip
Once in a lifetime experience!
- Recommended for
- Excellent crew, amazing wildlife, great food
- 7.6 Good
- Annie B
![Canada]()
Canada
Introduction of Costa Rica diving
The interaction with the giants mantas rays was incredible
- Recommended for
- The giant mantas rays, The crew and the island
- 8.4 Very good
- Annie B
![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
- 9.6 Exceptional
- Robert H
![Sweden]()
Sweden
A unique diving experince
Definitely our encounter with the dolphins, I've seen dolphins during dives before but they've never sticked around this long or come up this close before, it was amazing! Such beautiful and intelligent beings:D The big schools of hammerheads were really cool too!
- Recommended for
- The dive sites, small group, lots of hammerheads!
- 8.4 Very good
- Manuel L
![Spain]()
Spain
Amazing
Underwater life is spectacular, which is the reason why I decided on this destination ... but after the trip, I get very good friends
- Recommended for
- Tiger Sharks, Crew and Cocos N. P.
- 8.0 Very good
- Malcolm C
![Malta]()
Malta
Spectacular diving in Cocos
Schooling hammerheads, Galapagos and tiger sharks, Dolphins, oceanic manta, whale shark, countless reef sharks and rays but most impressive of all is the sheer amount of fish !!
- Recommended for
- Good boat, not too glitzy but comfortable, good food and great crew. Memorable dives.
- 8.0 Very good
- Sylvain R
![France]()
France
Amazing experience
Okeanos Agressor I is a nice and confortable boat. Coco Island is like in the movies and it's very pleasant to have opportunities to explore it a little bit. We were lucky enough to see all the big stuff under water. Dinners like at restaurant!
- Recommended for
- We've seen all the stuff that can be seen under water in Cocos. Wonderful island in which we can land. Great food.
- 8.4 Very good
- Heiko M
![Germany]()
Germany
Cocos Island, wild & Natur pur
Die Fahrt, das Meer, die Korallen & neben allerlei Haien auch der eine Manta und die eine Schildkröte. Wasserfalltour mit Neopren. In dieser Umfrage fehlt ein Verbesserungs- bzw. Kritikfeld: Der von mir im Vorfeld erfragte Handyempfang auf Cocos ist nur in einer Bucht möglich (immerhin). Über Roaming ging dort das Heimnetz. Lokale Simkarten (Klaro, Movimento z.B.) sind ausgeschlossen, nur Kölbi (ICE) funktioniert. Diese Info hätte ich gerne im Vorfeld gewusst & entsprechend die richtige lokale Simkarte besorgt. Das Erlebnis getrübt wurde dadurch allerdings nicht.
- Recommended for
- Hammerhai-Tornado bei Dirty Rock / Inselbesuche trotz im Vorfeld kommunizierter Unmöglichkeit / Das Finden einer der letzten Schildkröten bevor die Tiger alle weg gemacht haben.
- 9.6 Exceptional
- Jim S
![Canada]()
Canada
Top notch crew and superb shark diving
Tiger sharks. Lots. Big ones. A hammerhead shark tornado. Jackpot.
- Recommended for
- Tiger sharks. Hammerheads. The food.
- 9.2 Superb
- Philipp B
![Switzerland]()
Switzerland
Very good diving
On every dive hammerheads shark, we saw also 9 different shaks (whale, silver, black & white tips,...)
- Recommended for
- Diving, People, Food,
- 8.4 Very good
- Davide C
![Italy]()
Italy
Excellent service; average to good, way below expectations diving experience
The experience onboard is one of luxury, down to the detail. The crew are extraordinary in looking after customers' safety and wellbeing, providing a superior quality service. The boat itself is somewhat aged, though she does the job, that is to take you safely to Cocos and back, sleep and feed you, very well. The diving part of the trip was overall good, though my expectations were way higher for a once in a lifetime, bucket list diving cruise to Cocos. Perhaps we chose the wrong season, or maybe the water was too warm (read: less bumpy sailing), but we missed on those big numbers of pelagic exemplars. Considering the needed time investment, the cost of the cruise, all obligatory extras and gratuities, in hindsight I'd reprioritise this experience over other dates, or destinations. The support received from Liveabord was, as usual, impeccable.
- Recommended for
- Crew, food, safety
- 9.6 Exceptional
- Moritz N
![Germany]()
Germany
Cocos was an incredible experience and everything was from finest quality.
Manats, Sharks, Wildlife, Food, Staff, People
- Recommended for
- Food, Diving, Staff
- 8.8 Fabulous
- Stephen B
![United Kingdom]()
United Kingdom
Less hammerheads, great service
It was January so we didn’t see large schools of hammerheads but we did see plenty of them, and tigers and even mantas and silver tips. Food was excellent and the level of service on the boat and when diving was fantastic. All the staff were great. Dived a variety of sites. I thoroughly enjoyed the experience.
- Recommended for
- Food, staff and diving
- 9.6 Exceptional
- Joy Alan S
![Switzerland]()
Switzerland
Fantastic trip to Coco's island
The raw wildlife and nature on Coco's island were stunning. Every night there was a beautiful sunset. Also the service of the staff was incredible! Every time we got out of the water they distributed fresh fruits and towels. During our first dive of the day the staff always checked our rooms and cleaned the toilets. I also liked that they made a video of the whole trip which we could purchase additionally. This was our first liveaboard and we enjoyed it so much! Thank you guys!
- Recommended for
- The diving was amazing, the staff was friendly and flexible, they gave their best to fulfill one's wishes, and the food was really delicious.
- 8.8 Fabulous
- Jess G
![Canada]()
Canada
Unbelievable trip best staff I've ever experienced diving both live aboard and land based.
Where would one begin? My first whale shark in 30 years of diving, or maybe the dive where simultaneously we had a huge Manta ray two hammer heads three Galapagos Sharks a Large Tiger shark and a two hundred pound Tuna rolls through. Every meal was a highlight as was the entire staff perfect organization. Without question the best live aboard ive done. That starts at the top nice reflection on the Captain.
- Recommended for
- The staff on the Okeanos 1, the group of people on the boat and of course the absolutely spectacular Cocos island both above and below the water.
- 8.8 Fabulous
- Stella S
![Brazil]()
Brazil
Amazing
Sushi night at the rooftop, the kindness of the crew
- Recommended for
- Diving, crew service and food
- 9.6 Exceptional
- Petra H
![Switzerland]()
Switzerland
Extraordinary
The crew was super friendly and helpful. Everyday fresh and super delicious food. The dive sites were selected by the national park, therefore it can happen that you dive several times at the same site but no dive is like another. The dive guides were experienced and taking care of the divers very well.
- Recommended for
- Crew, Food,
- 8.4 Very good
- Jaymini P
![United Kingdom]()
United Kingdom
Fantastic crew and out-of-this-world diving on a slightly cramped and outdated boat
The crew, the schooling hammerheads and the island itself
- Recommended for
- The crew, the schooling hammerheads and the island itself
- 9.6 Exceptional
- John P
![France]()
France
Great Liveaboard for an amazing place
Cocos is the best diving I have ever done. Sharks (a lot of) on every dive. The staff, food, activities and just everything proposed lives up to the high expectations that is Diving Cocos Island. Will go back ASAP!!!
- Recommended for
- Cocos Island - The Dives - The Staff
- 9.6 Exceptional
- Martin G
![Germany]()
Germany
Excellent!
Different diving spots at cocos.
- Recommended for
- Diving, the whole and wonderful crew of the ship and the co-divers.
- 10 Exceptional
- Jake C
![United Kingdom]()
United Kingdom
Once in a lifetime experience
The diving is simply superb and topped off by a brilliant and professional crew. It’s the little things that count and they crew go that extra mile to ensure your comfort and enjoyment of the trip.
- Recommended for
- The incredible diving, the amazing crew, and the food!!
- 8.4 Very good
- Hermann Q
![France]()
France
First time on a LiveAboard and good experience
La convivialité Les rencontres Les spots de plongées
- Recommended for
- Être sur place
- 9.6 Exceptional
- Niklas P
![Sweden]()
Sweden
Great diving and great service!
The diving is just great! We made 21 dives, hammerheads on all of them. Many other type of sharks and much more fish life than I expected. The crew was fantastic. They were very helpful and friendly! And the food was excellent, probably the best chef in all Costa Rica!
- Recommended for
- The diving, the crew and the food.
