Okeanos Aggressor


Located 300 miles southwest of Costa Rica, lies the famous Cocos Island Marine Park, a World Heritage Site. The island’s estimated size is five by two miles, approximately eight by three kilometers. Countless waterfalls dot the lush, rugged coastline. These  waterfalls and the island’s remote location made it a favorite stop for sailors and pirates during the 1800’s.


The Okeanos Aggressor has comfortable accommodations for 22 guests. There are 9 double cabins and a quad cabin. Each cabin features a private head and shower, and storage space for your luggage.

She also has a spacious salon, 40 feet of sun deck, chaise lounges, deck chairs, bar, grill, and a complete photo center. The Okeanos has a safe onboard to store valuables such as passports, cash, credit cards or anything else you would like to store.

  • 9 “Deluxe” staterooms with double and single berths, lavatory, hair dryer, private head and shower, port light, and TV/DVD’s
  • 1 “Quad” stateroom with two double beds, two single bunks lavatory, hair dryer, private head and shower, closet, port light, and TV/DVD’s.
  • Salon with entertainment center, featuring a TV, DVD/CD Stereo player, iPod speaker system, and an assortment of movies.
  • Separate dining room
  • Partially covered sun deck with chaise lounges and complete wet bar.
  • Full-service galley with freezer and refrigerator storage.
  • Onboard Chef serving delicious local and continental entrees and between-dive snacks.


The menu onboard is varied and plentiful, with a variety of American feasts, barbecues and local cuisine. If you have any special dietary requirements, please let us know as soon as possible so the yacht can adequately prepare to meet your needs. You will wake up to fresh fruits, hot entrees, cereals and juices. Lunches are buffet-style, featuring hot soups, homemade breads, salads and sandwiches and/or entrees. Dinners are chef prepared and served each evening and include salads, vegatables, seafood, beef or chicken with a fresh homemade dessert.

Sample Itinerary:

The Okeanos Aggressor offers two exciting itineraries, both depart from the western coast port town of Puntarenas.

Eight-day charters are Saturday to Sunday with five days of diving and ten-day trips are Tuesday to Friday with seven days of diving. Transfers are provided from the Alta Hotel and Marriott Courtyard in San Jose on the day of departure. The scenic two-hour air-conditioned bus ride to Puntarenas showcases some of Costa Rica’s most beautiful views. An overnight stay is required in San Jose prior to the charter.

The Diving:

You will be diving in water that averages 72-82 F with cool thermoclines. Most guests make as many as 3-4 dives each day, so some sort of protection is needed. A 3-5mm wet suit or shorty is recommended year round. All diving is from pangas.

  • Alcyone: Abundant sea life makes this site one of the island’s signature dives. Mantas, Whitetipped Sharks, Whale Sharks, Silky Sharks, Blacktipped Sharks, and hundreds of schooling Hammerheads, are everywhere. An underwater plateau, discovered by Cousteau when he visited Cocos Island, is home to a variety of sharks.
  • Dirty Rock: Located near Wafer Bay, Dirty Rock is an impressive and exciting dive, noted as one of our guests’ favorites. Whale Sharks are often sighted here, and Dirty Rock is perhaps best known for the hundreds of Marble Rays and huge schools of Jacks that can be seen here. A swim through one of the schools is definitely worth the trip!
  • Dos Amigos Grande y Pequena: are two of Cocos Island’s best known dive sites. In the southern part of Cocos, these two islands showcase the excitement that only Cocos Island can deliver. Dos Amigos Grande is better known for its huge arch, a swim-through so big that an entire diving group can move through it at the same time. Marble Rays swimming among divers, Eagle Rays feeding or mating, and schooling Hammerheads are typical scenarios at this memorable dive site.
  • Dos Amigos Pequena is another fantastic dive, where you can see Manta Rays, big Silkys and Galapagos Sharks. Huge Yellow Fin Tuna are often seen swimming out in the deep blue.
  • Manuelita: is awesome, offering a variety of diving experiences all at the same location! In the shallow area, you can see hundreds of Whitetipped Sharks during the night dives. Cleaning stations allow divers to come face-to-face with schools of Hammerheads. Schools of Snappers and Jacks are everywhere. And in the deeper area, hiding places abound for divers wanting to watch all the action. A magical dive, day or night!
Nitrox is highly recommended when diving Cocos Islands

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