




Sea Hunter
from $5,960
Sea Hunter Liveaboard offers world-class diving in Costa Rica, specializing in Cocos Island expeditions. Enjoy comfortable accommodations, expert guides, and unforgettable encounters with sharks and marine life.



Location
Divers fly into San Jose and travel 3 hours to Puntarenas to board the Sea Hunter.
Dive Overview
Warm waters invite whale sharks, schooling hammerheads, manta-rays, white-tip sharks, frogfish, tuna, and turtles. The unspoiled waters of Cocos offer a pristine dive environment.
[See: Costa Rica Dive Travel Guide & Cocos Island Dive Travel Guide]
Accommodation Overview
Sea Hunter has 10 guest cabins with private baths, furnishing live-aboard comfort for up to 20 passengers. There are personal hanging lockers, shelves, drawers and hanging hooks in each cabin for passagners to store their belongings. Each cabin also includes a private bathroom equipped with 110-volt outlets suitable for your electronic equipment. It's air-conditioned and carpeted throughout with a circular porthole.
The Cabins
Sea Hunter Cabin Details
- Cabin 1 - Twin Cabin, with two twin size beds.
- Cabin 2 - Twin Cabin, with two twin size beds.
- Cabin 3 - Twin Cabin, with two twin size beds.
- Cabin 4 - Double Cabin, with one queen size bed and optional upper twin-size bed.
- Cabin 5 - Twin Cabin, with two twin size beds
- Cabin 6 - Twin Cabin, with two twin size beds.
- Cabin 7 - Double Cabin, with one queen size bed and an optional upper twin size bed.
- Cabin 8 - Double Cabin, with one queen size bed and optional upper twin size bed.
Food & Drinks
- The menu aboard offers a delicious combination of American and local cuisine. Meals are varied and well balanced, and we also offer delicious snacks between dives. Food is abundant with plenty of fresh tropical fruit and salads and is served buffet style. Please let us know of any special dietary needs or requests, but try to be lenient, as storage and preparation space is limited.
- Soft drinks: Free, Bottle of wine: $15 - $35.
- Hard liquor is not available on board but our guests are welcome to bring their own, which should be purchased prior to boarding.
Cabin details
Twin/Double Lower Deck
Twin Bunk-Style Lower Deck
Suite Upper Deck
Boat features
Boat facilities
Deck plan
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Photo & Video Gallery
Sea Hunter dates




30 May 2025 - 9 Jun 2025
(Cocos Island) ( Puntarenas - Puntarenas)
20% OFF$6,99011 days10 nights
2/20 spots left
from $5,592
26 Sep 2025 - 6 Oct 2025
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
5/20 spots left
from $6,990
22 Oct 2025 - 2 Nov 2025
(Cocos Island) ( Puntarenas - Puntarenas)
12 days11 nights
7/20 spots left
from $7,650
5 Nov 2025 - 15 Nov 2025
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
1/20 spots left
from $6,690
18 Nov 2025 - 28 Nov 2025
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
3/20 spots left
from $6,690
11 Jun 2026 - 22 Jun 2026
(Cocos Island) ( Puntarenas - Puntarenas)
12 days11 nights
9/20 spots left
from $7,940
25 Jun 2026 - 5 Jul 2026
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
17/20 spots left
from $7,250
8 Jul 2026 - 18 Jul 2026
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
15/20 spots left
from $7,250
22 Jul 2026 - 5 Aug 2026
(Cocos Island) ( Puntarenas - Puntarenas)
15 days14 nights
18/20 spots left
from $10,010
8 Aug 2026 - 22 Aug 2026
(Cocos Island) ( Puntarenas - Puntarenas)
15 days14 nights
11/20 spots left
from $10,010
29 Aug 2026 - 8 Sep 2026
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
1/20 spots left
from $7,250
24 Sep 2026 - 4 Oct 2026
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
2/20 spots left
from $7,250
2 Nov 2026 - 12 Nov 2026
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
18/20 spots left
from $7,250
14 Dec 2025 - 24 Dec 2025
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
18/20 spots left
from $6,690
11 Dec 2026 - 21 Dec 2026
(Cocos Island) ( Puntarenas - Puntarenas)
11 days10 nights
20/20 spots left
from $7,250
Detailed information about the itinerary
Cocos Island Overview
Located in the Eastern Tropical Pacific, 300 miles southwest of Cabo Blanco, Costa Rica, lies the renowned Cocos Island Marine Park. A rugged yet incredibly verdant island, this World Heritage Site is the spectacularly beautiful crown jewel of Costa Rica's many National Parks. In 1994, after several return visits to the island, Jacques Cousteau pronounced Cocos, "The most beautiful island in the world."
Thanks to the breathtaking marine life in its waters, Cocos Island was named one of the ten best scuba diving spots in the world by PADI (Professional Association of Diving Instructors) and a "must do" according to diving experts.
Among Cocos Islands many attributes is a startling degree of biodiversity. This islands world-renowned waters explode with life including innumerable white tip reef sharks, schooling hammerheads, dolphins, mantas and marbled rays, giant moray eels, sailfish, and of course the occasional whale shark. Other common encounters are large schools of jacks and tuna, silky sharks, silver tips, marlin, Creole fish, green turtles and octopus. Cocos Island is also home to at least 27 endemic fish species including the exotic rosy-lipped batfish.
The terrestrial life at Cocos also exhibits a highnumber of endemic species. The island is home to 70 of the 235 identified vascular plant species in the world, some 25 species of moss, 27 species of liverwort and 85 species of fungus. There are upwards of 87 bird species, including the famous Cocos Island cuckoo, finch and flycatcher. There are 362 species of insects, of which 64 are endemic. Two native reptiles are found only on the Island.
Beneath the waterfalls and in the rivers, are freshwater fish that mystify scientists by their very existence. Because of its remote location and abundance of fresh water, Cocos has, throughout history, been a favorite re-supply station for pirates, whalers and sailors.
Early visitors left pigs on the island as a self-perpetuating source of fresh meat. To this day feral pigs and deer abound, much to the detriment of the islands indigenous ground-nesting birds. These animals, introduced by man, are also responsible for hastening soil erosion with their digging, which undermines and degrades the native vegetation.
Dive Trip Information
- Dive Experience for Cocos Island
- Cocos Island presents the same diving challenges as any other Pacific, Indian or Red Sea diving location. Cocos, however, is not recommended for inexperienced divers because it is an open ocean destination that requires advanced open water diving skills.
- Please note, the minimum required level of certification to dive at Cocos is Open Water and we strongly recommend having at least the Specialties of Deep & Night Diver. We also recommend having a minimum of 25 hours of diving experience.
- Most dives are at depths deeper than 60 feet / 18 meters. At Cocos, currents and visibility can be entirely different in just a few hours.
- Please note, the dive guide will always be the final authority as to whether a passenger can do any specific dive.
- Dive Conditions
- Most of the action is at 60-90 feet /18-27 meters, and most dives are between 60-130 feet / 18-40 meters. The safety limit is set at 130 feet / 40 meters and a dive computer is necessary. Visibility averages 60-100ft/18-30m.
- Water Temperature
- Average temperature is 79 F to 84 F (26 C to 29 C), although it can be a few degrees lower under the occasional thermocline.
- Certification
- All divers must bring proof of certification by a national certifying agency. The certification must allow the diver to dive to the recreational dive limit of 130 feet (40 meters).
- The Dive Master will request to see your certification before you are allowed to dive. If you are certified for Nitrox and rebreathers as well, then remember to also bring those certifications.
- Nitrox To increase safety and bottom time while maintaining safe non-decompression dives the use of Nitrox is recommended. The vessel offers full onboard TDI training in Nitrox, with rental of Nitrox computers. Nitrox fills are free for Nitrox certified divers.
- The Crossings
- When all passengers are boarded, the vessel will take 32-36 hours to reach Cocos Island. Crossings are normally calm, but to prevent motion sickness we advise you to take the necessary precautions. At the conclusion of your trip, we will return to Puntarenas where a bus will be waiting to return you to your San Jose hotel.
- Gear to Bring With You
- You will need the following gear: 3-5 mm (1/8" to 3/16") wetsuit, mask, fins, snorkel, regulator with visible pressure gauge, a mandatory dive computer, buoyancy compensator, depth gauge, dive gloves, weight belt (without weights), dive light, and dive watch. It is recommended that you mark each piece of gear with waterproof paint or tape. We suggest you put all or most of the above items in a carry-on bag. There is ample storage space for your diving equipment, including your own personal locker.
- Equipment Provided Onboard
- We provide you with weights for your weight belt: 2, 3, 4, and 6 lbs. (1, 1.5, 2 and 3 kilos). We also provide you with air or Nitrox tanks -- 80 cubic ft. aluminum (12 liters). Please note, the tanks are standard yoke (INT), not DIN. Please notify in advance if you need an adaptor.
- Rental Equipment Onboard
- You can rent a complete line of ScubaPro dive gear: BCD, regulator, wetsuit, mask, fins, snorkel, and Aladin Nitrox dive computers. There is a limited supply of 15 Liter steel tanks. If you would like to rent one, make sure to reserve it well ahead of time.
SAMPLE ITINERARY
- Day 1 - Upon arrival in San Jose, Costa Rica, you will need to take a taxi or have us prearrange land transportation from the airport to your hotel. There are plenty of taxis available at the airport, even big cars for those of you who carry a lot of gear. The land transportation vehicles are spacious shuttle busses. The same evening, the SEA HUNTER representative will fax you to confirm your pick up time, the next day. Evening at your leisure.
- Day 2 - You will be picked up at your hotel and transferred by bus to Puntarenas, a seaport village where the SEA HUNTER boards its passengers. That afternoon, you will begin the cruise to Cocos Island.
- Day 3 - All day of travel. There will be ample time to arrange dive and camera gear. The cruise gives you an opportunity to get acquainted with the other divers.
- Days 4 to 9 - Spent diving the pinnacles around the perimeter of Cocos Island. Divers usually average three dives per day at depths of 60-100' or more for up to 21 dives on a trip. Water temperature of approximately 78-82F (27-30C).
- Day 10 - Make the last 3 dives before the cruise back to Costa Rica and reality!
- Day 11 - All day to discuss the diving and to compare your adventures!
- Day 12 - Arrival in Puntarenas. Immediately after breakfast you will be transported back to San Jose. Upon arrival in San Jose we recommend that you spend an additional hotel night prior to departing the country.


More information about this trip

Included
- Ground transportation San Jose - Puntarenas and return
- 11-day / 10-night cruise with all meals, including beer
- Dive-master service; Seven full days of action-packed diving with three dives per day (incl. nitrox fills, tanks and weights)

Excluded
- Mandatory: National Park Fee $490 per person ($70 per day on a 10-night trip there are 7 diving days spent at the Cocos Island Marine Conservation Area)
- The cost of DeepSee Submarine dives
- Possible fuel surcharge (US$200 per person)

Practical information
- Time Zone: UTC-6
- Local Currency: CRC (Costa Rican colón)
- Language Spoken: English & Spanish
- Electricity: The vessel has both 110 and 220 volts ac. The cabins have 110 volts ac only.
- Payment Onboard: Cash, VISA, Mastercard, AMEX

Boat Specifications
- Length: 115 ft / 36 m
- Beam: 26 ft / 8.1 m
- Draft: 8 ft / 2.5 m
- Displacement: 250 tons
- Construction: Welded steel with teak work deck
- Engines: Twin GM 16V92 / 1200 total hp
- Cruising Speed: 9.5 knots
- Maximum Speed: 10 knots
- Range: 3,500 nautical miles
- Endurance: 30 days (limited by food supply)
- Tenders: Two 24 ft heavy duty fiberglass dive boats; 17 ft rigid bottom inflatable
- Portable Generators: GM 6-71 75kw; John Deere 105kw; Portable Generator 5kw
- Available Voltage: 110/220 VAC 60 Hz
- Fuel Tank: 20,000 US gallons (78 tons)
- Water Tank: 15,000 gallons (60 tons) 1,800 gallons/day water maker
- Scuba Compressors: 2 HP compressors; 1 nitrox generator
- Scuba Tanks: 30 aluminum 80 cu/ft tanks; 2640 cu/ft high-pressure storage bank
- Technical Diving: Full oxygen, nitrox and rebreather service. Passengers must bring their own rebreathers
Fellow traveler's reviews






EWhitney
1 Reviews




We had an amazing trip to Cocos Island on Sea Hunter. The ship was well equipped and set up nicely for diving. And the skiffs are larger than your typical zodiac, which was really nice when the seas were choppy. The boat was spacious and the cabins were small, but that was expected on this type of trip. The food was delicious! And the staff were all awesome. The captain and crew were all very nice and worked hard. The divemasters were incredible as well. They were very knowledgeable and we had lots of fun. The marine life was definitely some of the best I've ever seen. Tons of sharks, fish, rays, octopus, dolphins, eels... the list goes on and on.
Nathan
2 Reviews




Incredible dive trip. Best guess is that we saw hammerheads on 70% of the dives. Also saw tigers (2x), Galapagos (several), silvertips and whitetips. A friendly manta showed up on 4-5 dives and we were blessed with dolphins at the end of one dive. There were several bait ball occurrences as well which were beautiful. Finally, marbled rays were prevalent and a joy to see. This is the best diving I’ve done over 25 years where I felt that nearly every dive had something fun. I will go back, and I will go with Sea Hunter. The following items were particular highlights for Sea Hunter: - DMs, DMs, DMs!!! Juan Miguel and Ian were attentive, informative and above all PURE FUN. Their passion for diving and ensuring that guests had a great time was obvious. I can’t say enough about them. - Most dives were planned to begin around cleaning stations. If there was not enough activity then we would either explore around the coral/landmass or head out into the blue as a group. VERY often the blue experiences were wonderful as these included walls of hammerheads and/or mantas to end the dives. - The ship used two hard shelled pagodas to ferry groups to/from the dive sites. These were speedy to most sites and easy to enter/exit. They also had canvass roofs which provided a little protection. - I had expected there to be no coral and while the coral wasn’t a focal point there was some and subsequently some non pelagic enjoyment as well. - The ship had some nice relaxation areas including the lounge, dining room, upper deck and a reading nook. State rooms were reasonably good sized and well maintained. In-room showers always had hot water. Opportunities for improvement: - There was no group introduction in which people stated who they were, etc. etc. While this does happen organically, it’s nice when the dive op opens that door. Our trip had 7 nationalities on it and breaking down those barriers could have been made easier. - The food was well presented and wholesome though didn’t have much pizzazz. While not exactly a complaint, other dive operations take the food to be an artform. Snacks were okay. Almost all post-dive snacks were pastry puff somethings and fresh fruit. - Rooms that had bunk beds did not have a ladder to get to top bunk. This could be a challenge for some. - On-deck showers were luke warm and sometimes cold. General comments: - The crossing to Cocos was rough. Close to 50% of the passengers were somewhat sick. This is not a knock on Sea Hunter, simply a note for those considering this particular dive trip. - It rained every day. On one hand this enhanced the beauty of the island (think waterfalls and green). Only one day did it affect the vis in the upper 20-30 feet of the dive. Once below the muck, the diving was still good. - The diving does involve a lot of waiting. This can make people cold. Plan accordingly. You also are definitely hands-on on the reef which is different than typical ecologically suggested. Bring gloves because the coral can be rough and the barnacles like to push against your hands to dislodge. - Sea urchins are plentiful. No one got a “Cocos tattoo”. Just be aware.
Anonymous - Verified Traveler
1164 Reviews




Incredible dive trip. Best guess is that we saw hammerheads on 70% of the dives. Also saw tigers (2x), Galapagos (several), silvertips and whitetips. A friendly manta showed up on 4-5 dives and we were blessed with dolphins at the end of one dive. There were several bait ball occurrences as well which were beautiful. Finally, marbled rays were prevalent and a joy to see. This is the best diving I’ve done over 25 years where I felt that nearly every dive had something fun. I will go back, and I will go with Sea Hunter.The following items were particular highlights for Sea Hunter:- DMs, DMs, DMs!!! Juan Miguel and Ian were attentive, informative and above all PURE FUN. Their passion for diving and ensuring that guests had a great time was obvious. I can’t say enough about them.- Most dives were planned to begin around cleaning stations. If there was not enough activity then we would either explore around the coral/landmass or head out into the blue as a group. VERY often the blue experiences were wonderful as these included walls of hammerheads and/or mantas to end the dives.- The ship used two hard shelled pagodas to ferry groups to/from the dive sites. These were speedy to most sites and easy to enter/exit. They also had canvass roofs which provided a little protection.- I had expected there to be no coral and while the coral wasn’t a focal point there was some and subsequently some non pelagic enjoyment as well.- The ship had some nice relaxation areas including the lounge, dining room, upper deck and a reading nook. State rooms were reasonably good sized and well maintained. In-room showers always had hot water.Opportunities for improvement:- There was no group introduction in which people stated who they were, etc. etc. While this does happen organically, it’s nice when the dive op opens that door. Our trip had 7 nationalities on it and breaking down those barriers could have been made easier.- The food was well presented and wholesome though didn’t have much pizzazz. While not exactly a complaint, other dive operations take the food to be an artform. Snacks were okay. Almost all post-dive snacks were pastry puff somethings and fresh fruit.- Rooms that had bunk beds did not have a ladder to get to top bunk. This could be a challenge for some.- On-deck showers were luke warm and sometimes cold.General comments:- The crossing to Cocos was rough. Close to 50% of the passengers were somewhat sick. This is not a knock on Sea Hunter, simply a note for those considering this particular dive trip.- It rained every day. On one hand this enhanced the beauty of the island (think waterfalls and green). Only one day did it affect the vis in the upper 20-30 feet of the dive. Once below the muck, the diving was still good.- The diving does involve a lot of waiting. This can make people cold. Plan accordingly. You also are definitely hands-on on the reef which is different than typical ecologically suggested. Bring gloves because the coral can be rough and the barnacles like to push against your hands to dislodge.- Sea urchins are plentiful. No one got a “Cocos tattoo”. Just be aware.
EWhitney
1164 Reviews




We had an amazing trip to Cocos Island on Sea Hunter. The ship was well equipped and set up nicely for diving. And the skiffs are larger than your typical zodiac, which was really nice when the seas were choppy. The boat was spacious and the cabins were small, but that was expected on this type of trip. The food was delicious! And the staff were all awesome. The captain and crew were all very nice and worked hard. The divemasters were incredible as well. They were very knowledgeable and we had lots of fun. The marine life was definitely some of the best I've ever seen. Tons of sharks, fish, rays, octopus, dolphins, eels... the list goes on and on.
DiveBDS
1164 Reviews




A very comfortable ship with a top notch staff who go above & beyond to please. Excellent food and oh, by the way the diving is fantastic, too. Mind blowing in fact. Dive Master Frederico seemed to have a sixth sense as to what we were going to see, and when and where. We are true "Cocoholics" who will return via the Sea Hunter for a third visit in 2015.SHIP: The ship is comfortable because it is big enough to not be crowded. There is enough room in the dining room for everyone at once with room to spare. There are nice lounging places inside and outside for between dives and the state rooms all have private bathrooms.FOOD: There is good variety and lots of it. No extra charges for pop or juice. Even all the beer you could drink was included. I have a nasty allergy to garlic and the chef made personally sure that I didn't get any.The dive masters were very professional. They quickly picked up on who might need a little extra. They obviously loved diving and passed their enthusiasm on to their guests, which is not always easy when one does it every day.MARINE LIFE: We saw white and black tip sharks, silky sharks, galapagos sharks, tiger sharks, whale sharks but mainly hammerhead sharks. Also, dog tooth tuna which scare the sharks off and rivers of jacks and cleaner Wrasse. Also dolphins, several varieties of rays, octopus, and even frogfish and batfish. Even saw a couple of humpback whales. Not sure what else we could ask for. The shark sightings are not rare, they are the norm. Often, there are so many one can't see through them.