currently closed




The Okeanos Aggressor I is a 33.5 meter live-aboard dive boat that takes guests to a 10-day cruise to Coco Island off Costa Rica. It has a capacity for 22 divers and offers instruction, gear rentals, photo courses and has its own photo centre to provide guests utmost convenience at the lowest cost.

Accommodation aboard Okeanos Aggressor I

The vessel has ten cabins divided into two categories:
Deluxe Stateroom - Nine well-appointed staterooms have both double and single berths to accommodate individuals or couples.
Quad Stateroom - There is one Quad share cabin with twin beds on the lower deck.
All cabins have:
  • Air-conditioning
  • TV and DVD player
  • Portholes
  • Private en-suite bathroom with hot water shower and hand basin
  • Hairdryer, towels and soap
  • Bedding
  • Cabinet, shelves and mirror
  • Reading lamp,
  • Safe box
  • Fire extinguisher and life jackets
  • USA round 2-pin 110V electricity
Facilities include a large air-conditioned saloon equipped with internet, TV, DVD and music system. Guests can also enjoy a large partially covered sun deck with chaise lounges and deck chairs.

Drink & Dine

You will find onboard a varied and plentiful menu, with a variety of American feasts, barbecues and local cuisine. On breakfast, fresh fruits, hot entrees, cereals and juices will be at your disposal. Lunches are buffet-style, featuring hot soups, homemade breads, salads and sandwiches and/or entrees. Dinners are prepared by the Chef and are served each evening. They include salads, vegetables, seafood, beef or chicken with a fresh homemade dessert. Certain special dietary and beverage requests may not be available due to the remote nature of the location.
Fruit juices, soft drinks, iced water, iced tea, coffee are served onboard. However, alcoholic drinks are extras.

Technical Specification

Built: 1972, restored in 2010
Length: 33.5m
Breadth: 7.3m
Engines: 2 x 300 HP Deutz engines
Generators: 2 x Caterpillar generators - 55 & 100 KW
Water Capacity: 15, 000 litres
Fresh Water Capacity: 6, 000 litres per day
Max of guests: 22
Number of cabins: 10
Number of crew: 8 (including a two Divemasters and two Dive tender drivers)
Safety equipment: 2 x Life rafts, Life vests, First aid kits, Crew trained in first aid, Emergency flares, Depth Sounder, EPIRB Distress System, Fire alarm & Fire extinguishers, Bilge pump alarm, Oxygen, Sounder, Search light

Diving Facilities

With the Okeanos Aggressor I you will have the possibility to dive in both day and night environments. Diving facilities include a large swim platform with personal gear lockers, air/nitrox fill stations, rinse tanks, three-tier camera table with low-pressure air hoses and two warm freshwater showers.
Tanks, Weights, Belts, Dive master services
Dive insurance, Rental dive equipment

Liveaboards Departures in Costa-rica

Order by
Sorry, there are no set liveaboard departures at this time. Please call us to check as we can sometimes open a new departure date on a request basis.