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Costa Rica Diving Reviews:
Dive Resorts & Liveaboards

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Average Overall Ratings
(over last 3 years, 15 of 166 reports
Advanced:  4 stars Beginner:  2 stars
UW Photography:  4 stars
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Page # 1  2  
Ocotal Beach Resort Full report   Guanacaste   We had a WONDERFUL experience staying at the Ocotal Beach Resort which we had read about in the Divers' Chapbook. We will definit... Full report  
5 stars
2 stars  
5/2007   Cindy Cook
100+ Dives 		 
Manuel Antonio Divers Full report   Quepos   We dove with Manuel Antonio Divers of Costa Rica. Raymond & Mindy Passavant are the owners of Manuel Antonio Divers. We had boo... Full report  
4 stars
2 stars  
3/2007   Jeffrey Levin
100+ Dives 		 
Okeanos Aggressor Full report LiveAboard Cocos Island   You must stay 1 night prior to trip in Costa Rica. The recommended hotel in San Jose is clean and has a good open air restaurant. ... Full report  
3 stars
2 stars  
10/2005   Jason Pellegatto
250+ Dives 		 
Aquacenter/ Flamingo Cove Full report   Flamingo   The Visibility was only marginial. Surge was present on every dive. White tip sharks was plentiful. Saw one Manta. Saw a few turtl... Full report  
4 stars
2 stars  
9/2005   Terry Garland
250+ Dives 		 
El Ocotal Full report       Hotel El Ocotal and the dive operation were first rate in every way. The service was consistently friendly and of extremely high q... Full report  
3 stars
2 stars  
10/2004   Bud
100+ Dives 		 
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UnderSeahunter Full report   Cocos/Malpelos   The FATHOMS MAGAZINE rebreather expedition took on the double island trip with the SeaHunter visiting first Malpelos for four days... Full report  
5 stars
2 stars  
6/2003   Gregg Gaylord
500+ Dives 		 
Agua Rica/ Cala Luna Full report   Tamarindo   Agua Rica is located in Tamarindo on Pacific coast. Dives only at Santa Catalina Islands (which is good). THe marine life there is... Full report  
4 stars
2 stars  
11/2002   Martin Raffauf
100+ Dives 		 
Aggressor Fleet LiveAboard     "Cocos Island - Great Trip"
Went to Cocos Island for the first time on the Cocos Island Aggressor, actually it is being called the Okeanos III per the boat al... Full report  
5 stars
1 stars  
8/2023   Lisa Vitale
1000+ Dives 		2Helpful vote(s) received
Aggressor Fleet LiveAboard Cocos Island   "Diving was great, live aboard was a big disappointment "
I have used Aggressor many times, but noticed a real decline in value and quality. And should have gone with Undersea Hunter, exce... Full report  
1 stars
1 stars  
5/2022   Steven Damsky
1000+ Dives 		3Helpful vote(s) received
Sea Hunter LiveAboard Isla del Cocos   "Cocos Effect: Anything can happen "
This was my 6th- 7th trip to Cocos. Several trips were on the Argo with the Turtle Iland Resortation Network foks. They conduct tru... Full report  
5 stars
1 stars  
10/2021   James Smith
1000+ Dives 		Photos available 
Undersea Hunter LiveAboard Cocos Island   "Cocos Island - the best!"
I have been to Cocos several times and every time is different - you never know what the ocean will give you but there is always s... Full report  
5 stars
1 stars  
10/2021   Kabir Teja (Dive Hard)
1000+ Dives 		 
Aggressor Fleet LiveAboard Cocos Island   "Great diving, strong currents, many sharks, excellent crew"
First time on a liveaboard. Trip out was rough, return not. Most dives had strong current. Sharks on most dives, many many whit... Full report  
5 stars
1 stars  
9/2021   James Ringer
1000+ Dives 		 
Sea Hunter Full report LiveAboard CoCos Island   "Expectations exceeded"
My hope was to see large marine life up close. Hammerheads, white tip, black tip, Galapagos, Tigers, Silkies, Marble rays, Eagle r... Full report  
5 stars
1 stars  
11/2020   Rika
100+ Dives 		Photos available
1Helpful vote(s) received
Aggressor Fleet Full report LiveAboard     "Thirty Years Later"
I did four trips about thirty years ago on the Aggressor I and the Sea Hunter. After that time, I discovered Socorro, which was e... Full report  
5 stars
1 stars  
3/2020   DONALD MCCOY
1000+ Dives 		Photos available
1Helpful vote(s) received
Okeanos Aggressor Full report LiveAboard Cocos Island   "my first liveaboard and it was fabulous"
First a disclaimer. This was my first liveaboard, so I have no reference point for my evaluation. My ratings are based simply on... Full report  
4 stars
1 stars  
6/2019   Gene S
250+ Dives 		2Helpful vote(s) received
Sea Hunter Full report LiveAboard Cocos   "Cuckoo for Cocos"
I traveled with my teen age son, Ryan. Here's his trip report: [. . . ] - ... Full report  
4 stars
1 stars  
7/2017   Kirsten Treais
1000+ Dives 		 
Aggressor Fleet Full report LiveAboard Pacific-Guanacaste/Bat Islands   "Guanacaste and Bat Islands aboard the Okeanos Aggressor II"
We've done close to 30 liveaboards and do not do shore diving. This Aggressor franchise was top notch and had a stellar crew. Ca... Full report  
5 stars
1 stars  
6/2017   Ronald JOhnson
500+ Dives 		2Helpful vote(s) received
Okeanos Aggressor II Full report   Cocos   "High expectations, good, not great"
Reservations: I made my boat reservations through the Aggressor website. It worked perfectly and communication was excellent. M... Full report  
4 stars
1 stars  
4/2017   Craig A Wood
1000+ Dives 		1Helpful vote(s) received
Herradura Divers/ I stayed with Family Full report   Playa Jaco   "Lack of safty or concern for divers."
rough surf we should not have gone out. one of the other divers in the front of boat dropped and air cylinder and they were not n... Full report  
1 stars
1 stars  
1/2016   Victor Eizenga
<100 Dives 		1Helpful vote(s) received
Okeanos Aggressor Full report LiveAboard Coco Island]   "Some good, some bad"
Water temp was warmer than expected - 85 on most dives, a few dives had a thermocline deep (80- 100') that dropped the temp to 80. ... Full report  
4 stars
1 stars  
7/2015   James K Harris
250+ Dives 		2Helpful vote(s) received
Cocos Aggressor Full report LiveAboard Cocos Island   "Cocos on Wind Dancer Dec 20-30 2014"
This was a trip over Christmas week on the Wind Dancer. You need to fly in a day early and stay in Escazu. The boat picks you up a... Full report  
4 stars
1 stars  
12/2014   Jason Propsner
500+ Dives 		 
Undersea Hunter/ Dive Vessel Argo Full report LiveAboard Costa Rican Dome   "Know Before You Go."
It sounded so cool on the Undersea Hunter website. Join the Big Animal Expeditions trip to the " Blue Whale Cafe" at the Costa Ric... Full report  
1 stars
1 stars  
1/2014   Michael Marmesh
500+ Dives 		 
Undersea Hunter Full report LiveAboard ARGO Liveaboard   Capitalism has reached Cocos Island. There is now a $35 per person per day head tax while diving without so much as a T- shirt. ... Full report  
5 stars
1 stars  
11/2013   Don Bellew
1000+ Dives 		 
Okeanos Aggressor Full report LiveAboard Cocos Is.   One of the best dive trips ever. I want to keep this brief - it's also my first review here: you DEFINITELY need a 5 mm wetsuit - ... Full report  
5 stars
1 stars  
9/2013   Andrew James Gregor
<100 Dives 		 
La Perla del Sur/ Crystal Ballena Full report   Isla Cano   My buddy and I had limited time in Costa Rica and made arrangements to dive through "Meetings Horizonte" travel agency. They arran... Full report  
4 stars
1 stars  
7/2013   Mary K Wicksten
1000+ Dives 		1Helpful vote(s) received
Undersea Hunter Full report LiveAboard Coco's Island   The undersea hunter is a wonderful boat, this was my third trip to Coco's on this boat. The crew really knows what they are doing... Full report  
5 stars
1 stars  
7/2013   david whiteside
250+ Dives 		1Helpful vote(s) received
Undersea Hunter/ Argo Full report LiveAboard Cocos Island   I went on the vessel Argo which is the largest of the 3 vessels that are operated by the Undersea Hunter group. This vessel costs... Full report  
5 stars
1 stars  
4/2013   Steven Rosenfeld
1000+ Dives 		 
Aggressor Fleet Full report LiveAboard     The cabins were small as were the shower/ bathrooms. I took my showers sitting on the toilet when the seas were rough because spac... Full report  
5 stars
1 stars  
5/2012   Leona M Holaday
1000+ Dives 		 
Diving Safaris Costa Rica/ Hilton Papagayo Full report   Guanacaste   Dive Safaris boats and rental gear were old but worked fine. The boat was covered in the event of sun. Back roll entry and then ... Full report  
4 stars
1 stars  
7/2011   craig grube
100+ Dives 		 
Sea Hunter/ Grano de Oro Full report LiveAboard Cocos Island   This was our first trip to the Pacific and our first live aboard trip. We saw two documentary films about Cocos Island, one last ... Full report  
5 stars
1 stars  
4/2011   Michael D Smith
100+ Dives 		 
Sea Hunter Full report LiveAboard Cocos   This 12 night charter was my fourth to Cocos and the third one on this boat. Nevertheless, the decision to join this trip was mad... Full report  
5 stars
1 stars  
7/2010   DAVID SHEMTOV
500+ Dives 		 
Undersea Hunter Full report LiveAboard     I recently had the opportunity to visit the Cocos Islands aboard the Undersea Hunter in early June. As most of us here at the foru... Full report  
2 stars
1 stars  
6/2010   MAX WEINMANN
500+ Dives 		 
Argo (Undersea Hunter) Full report LiveAboard Cocos Island   I think most people have heard how spectacular Cocos Island diving is, so I won't belabor that point except to point out it is mos... Full report  
5 stars
1 stars  
5/2010   Gina Sanfilippo
250+ Dives 		 
UNDERSEA HUNTER/ SEAHUNTER Full report LiveAboard COCOS ISLAND   10 DAY TRIP ON THE SEAHUNTER, A FINE VESSEL, VERY WELL KEPT. EXCELLENT CREW, AND ATTITUDE. MEALS WERE BEST I'VE EVER HAD ON A LIVE... Full report  
5 stars
1 stars  
11/2008   TOM LOPATIN
500+ Dives 		 
Undersea Hunter Group Full report   Cocos Island[N/A]   By far, the most professional/ safety conscious operation I've ever experienced. It needs to be (out of range of heli evac, a... Full report  
5 stars
1 stars  
5/2008   Mickey Rosenberg
100+ Dives 		 
Undersea Hunter Full report LiveAboard Cocos Island   Be aware that it's a 30 - 36 hour ride from the mainland out to Cocos. What the crew said was an average passage seemed pretty ro... Full report  
5 stars
1 stars  
11/2007   Mike Judd
250+ Dives 		 
Okeanos Aggressor Full report LiveAboard Cocos Island   Cocos Island diving is all that it is cracked up to be - and much more! Incredible hammerhead shark diving, white tips on every d... Full report  
5 stars
1 stars  
7/2007   Steve Pittman
1000+ Dives 		 
aquacenter/ flamingo beach resort Full report   flamingo coast   Flamingo Coast is Pacific side & appx. 2 hrs. from the airport in Liberia. Flamingo Beach Resort is very nice (better than my budd... Full report  
5 stars
1 stars  
4/2007   Glen Kitchens
500+ Dives 		 
COSTARICA DIVERS/ JINETES DE OSA Full report       FROM PAST REVIEWS I EXPECTED GOOD DIVING. I DONT KNOW WHAT WAS THE PROBLEM ?EL NINO BUT THERE WERE MINIMAL FISH AND CORALS WERE PO... Full report  
1 stars
1 stars  
1/2007   BEN GLICK
1000+ Dives 		 
Seahunter Full report LiveAboard Cocos Island & Malpelo   The ship is in excellent condition. Everything worked! Including all the multimedia video. Good assortment of video movies in ord... Full report  
5 stars
1 stars  
10/2006   Mel Butler
1000+ Dives 		 
SeaHunter Full report LiveAboard Cocos/Malpelo   SeaHunter is a fantastic boat with a fantastic captain (Chris), divemaster (Toby) and crew! Fly to San Jose and the SeaHunter arra... Full report  
5 stars
1 stars  
8/2006   Laura Mosqueda
250+ Dives 		 
Undersea Hunter Full report LiveAboard Cocos Island   I was on the Undersea Hunter in 91 and the Sea Hunter in 95. Both are excellent boats and have great diving operations. The shar... Full report  
5 stars
1 stars  
8/2006   Gary R. Nachtigal
1000+ Dives 		 
Sea Hunter Full report   Malpelo & Cocos   The Best big animal diving ever! Consistantly more marine life than I have ever seen. This was the trip of a life time!!! Malpelo ... Full report  
5 stars
1 stars  
7/2006   Dave & Susan Eckenberger
1000+ Dives 		 
Herradura Divers Full report   Central Pacific   This dive operation is small and the only one in this area, Very friendly, Had to transfer to second boat to go out to reef. Was no... Full report  
1 stars
1 stars  
4/2006   David N Scarborough
1000+ Dives 		 
Okeanos Aggressor Full report   Coco Island   Sensory overload diving. Hammerhead Sharks [lots] plus Galapagos, Silky, Silver Tip, and the everpresent White Tip Reef Shark... Full report  
5 stars
1 stars  
12/2005   Ed & Jeanette Raver
250+ Dives 		 
Okeanos Aggressor Full report   Coco Island   Sensory overload diving. Hammerhead Sharks [lots] plus Galapagos, Silky, Silver Tip, and the everpresent White Tip Reef Shark... Full report  
5 stars
1 stars  
12/2005   Ed & Jeanette Raver
250+ Dives 		 
Okeanos Aggressor Full report   Coco Island   Sensory overload diving. Hammerhead Sharks [lots] plus Galapagos, Silky, Silver Tip, and the everpresent White Tip Reef Shark... Full report  
5 stars
1 stars  
12/2005   Ed & Jeanette Raver
250+ Dives 		 
SEA HUNTER Full report LiveAboard COCO ISLAND   THE FIRST TIME I SAW THE HOWARD HALLS IMAX VIDEO ON COCO AND READ EVERY ARTICLE ABOUT THE SEA HUNTER. I KNOW I HAD TO GO THERE I W... Full report  
5 stars
1 stars  
12/2005   Robert Levine
1000+ Dives 		 
Cocos Aggressor Full report LiveAboard     The Okeanos Aggressor is the worst Aggressor I've ever been on. Other than great meals, the overall quality of service was sadly l... Full report  
5 stars
1 stars  
11/2005   jean miller
500+ Dives 		 
SeaHunter Full report LiveAboard Cocos Island   Unbelievable diving, schools of scalloped hammerheads on every dive; silvertips, silkies and white tips as well. Very comfo... Full report  
5 stars
1 stars  
9/2005   Carol Gurba
100+ Dives 		 
Sea Hunter Full report   Cocos Island   The diving was very excellent. I went with the special rebreather expedition sponsored by Fathoms magazine and managed by Brett Gi... Full report  
5 stars
1 stars  
8/2005   LeRoy Anderson
250+ Dives 		 
Undersea Hunter Full report   Cocos Island   Two days before we were scheduled to fly to Costa Rica, 24 people were arrested for plotting to blow up at least 10 airborne plane... Full report  
5 stars
1 stars  
8/2005   Jeanne & Bill Downey
1000+ Dives 		 
UnderSea Hunter Full report   Cocos Island   The Undersea Hunter is a well run operation from sched, trip planning to the actual diving. The trip out was better then ex... Full report  
5 stars
1 stars  
6/2005   Michele
100+ Dives 		 
Undersea Hunter Full report LiveAboard Cocos Island   Cocos is ONLY for experienced divers. The dives are all deep, currents can be ripping, safety stops can become blue water drifts ... Full report  
5 stars
1 stars  
11/2004   Peter Belden
100+ Dives 		 
Undersea Hunter Full report LiveAboard Coco Island   If your mantra is "Hammerheads" this is your place. Sharks are everywhere. Hundreds of scalloped hammerheads, hundreds of white ... Full report  
5 stars
1 stars  
7/2004   Ralph Baker
250+ Dives 		 
Undersea Hunger/ [N/A] Full report LiveAboard Cocos Island   We flew Chicago to Houston, then Houston to San Jose. Spent the night in San Jose to ensure all our baggage arrived. Stayed the th... Full report  
5 stars
1 stars  
7/2004   Steve and Beth Welch
250+ Dives 		 
El Ocotal Full report       We were looking for a destination where my husband and I could do some good diving, and also have some fun with our kids (12, 9 an... Full report  
3 stars
1 stars  
6/2004   Elizabeth Hilla
100+ Dives 		 
Underseahunter/ Sea Hunter Full report   Cocos Island   This was my third and in some ways, the best trip to Cocos Island. The silvertips are back at Silverado and the hammerheads are a... Full report  
5 stars
1 stars  
8/2003   Nikki Mahan
500+ Dives 		 
Sea Hunter Full report LiveAboard Cocos Island   Crouching in a semi circle in the sand, or clutching the boulder ridges along the side walls of Alcyone, we watched in awe as l... Full report  
5 stars
1 stars  
7/2003   Patrick Wikstrom
500+ Dives 		 
Okeanos Aggressor Full report LiveAboard Cocos Island   Nitrox is a must at Cocos Island and the course can be taken on board. I used an air computer as a backup and it went into de... Full report  
5 stars
1 stars  
5/2003   Steve Wenc
250+ Dives 		 
Dive Safari/ [s Full report   [N/   Costa Rica, Pacific Coast, upper northwest corner, February 8- 15, 2003. Bill Beards’ Diving Safaris Water temp 70 to... Full report  
1 stars
1 stars  
2/2003   C.F.Ward
500+ Dives 		 
Okeanos Aggressor Full report LiveAboard Cocos Island   Diving was incredible, boat was horrible. Emailing longer report separately to editor@undercurrent. org ... Full report  
5 stars
1 stars  
1/2003   Roger Carlson
500+ Dives 		 
MV Seahunter Full report LiveAboard Cocos Island   Our first but not our last trip to Cocos Island. We're signed up for a July 2004 repeat trip on the MV Seahunter. The Seahunter is... Full report  
5 stars
1 stars  
8/2002   Frank and Renie Arroyo
250+ Dives 		 
Sea Hunter liveaboard Full report   Cocos/Malpelo   Malpelo was outstanding. We had over 500 silkies checking us out on one of our safety stops. Moray eels are everywhere, sometimes... Full report  
5 stars
1 stars  
6/2002   Nikki Mahan
500+ Dives 		 
Underseahunter Full report   Cocos Island   Flat ocean on the trip to and from Cocos Island. The dive masters were great with predive instructions which can be very important... Full report  
5 stars
1 stars  
5/2002   Willard Pascoe
500+ Dives 		 
Sea Hunter Full report LiveAboard Cocos   We had two wonderful trips aboard the Sea Hunter, one in January, one in August. There were less sharks, but sunny weather during ... Full report  
5 stars
1 stars  
1/2002   Starkovsky, Cynthia
250+ Dives 		 
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