Catalina Islands Diving — Costa Rica
The Catalina Islands off Guanacaste are Costa Rica's premier Pacific dive sites. Bull sharks patrol the deeper waters, whitetip reef sharks rest in rocky overhangs, and giant Pacific manta rays cruise through during the dry season. Visibility peaks from December to April when currents bring clear offshore water.
- Score
- 57.6 / 100
- Country
- Costa Rica
- Region
- Caribbean
- Area
- Guanacaste
- Nearest airport
- Daniel Oduber (LIR)
- Visibility
- 6–24 m
- Water temperature
- 24–29 °C
- Max depth
- 30 m
- Current strength
- moderate
- Dive types
- pelagic
- Best months
- December, January, February, March, April
- Minimum certification
- Open Water
- Access type
- boat
- Average 2-tank dive cost
- $100 USD
- Budget tier
- mid range
- Key species
- manta ray, hammerhead, bull shark, whale, humpback
- Google rating
- 0 (0 reviews)
- Top operators
- Rich Coast Diving, Deep Blue Diving Costa Rica
- Nearest hyperbaric chamber
- Hospital CIMA Chamber, San Jose (~200 km)
SCORE
10.4750°N
-85.7750°E
The Catalina Islands off Guanacaste are Costa Rica's premier Pacific dive sites. Bull sharks patrol the deeper waters, whitetip reef sharks rest in rocky overhangs, and giant Pacific manta rays cruise through during the dry season. Visibility peaks from December to April when currents bring clear offshore water.
Costa Rica's Pacific Pelagic Hotspot
Score Breakdown
Marine Life
68.0Species diversity, megafauna encounters, reef fish abundance, macro life, and endemic species.
Click any score to see a detailed breakdown
Key Species
Dive Types
Traveling with Non-Divers?
Your non-diving travel companions will find plenty to enjoy topside while you're underwater. Here are some activities to consider.
Activities for Non-Divers
Nearby Cultural Sites
- Liberia colonial architecture
- Rincon de la Vieja National Park
Non-Diver Partner Score
Good topside options for non-diving companions.
Safety & Emergency
Dive Insurance
Dive insurance is essential. Standard travel insurance often excludes scuba diving. We recommend DAN (Divers Alert Network) for comprehensive dive accident coverage.
Learn More at DAN.orgHospital in Liberia (30 min); chamber in San Jose (4 hr drive or 45 min flight)
Top Operators
Rich Coast Diving
PADI
Deep Blue Diving Costa Rica
PADI
What your dive shop won't tell you
The minimum certification printed on a brochure is the legal floor, not the honest recommendation. Here's what we actually think you should bring to this site.
Below this we'd send you somewhere easier first.
What will challenge you
- →Moderate currents. Expect to drift — this is not a skill-builder site for a first trip after certification.
- →Nearest hyperbaric chamber is ~200 km away. Evacuation is slow. Dive conservative profiles and get DAN insurance before you fly.
What will surprise you
- →Thermoclines can drop water temp by 5°C between the surface and depth. Your wetsuit choice should match the minimum, not the average.
Photography brief
Subjects are only half the shot. A perfect macro site is useless in a three-knot drift, and a wide-angle dream is useless at 35 m with a murky ceiling. These are the conditions, not the hype.
Recommended kit
- →General reef kit — mid-range wide or a 60mm macro depending on the specific site
What this site will teach you
The dives that made you a better diver are the ones that made you uncomfortable for the right reasons. Here's what this site will quietly train you for.
Cool-head pelagic encounters
intermediateKeeping your breathing steady and your position stable when a 4 m manta or a school of hammerheads appears is a skill, not a reflex. Learn to slow down when you most want to speed up.
7-day trip, per person
Rough ranges anchored to existing regional data — not booking quotes. Land-based trip, standard breakdown.
Hostels, shore diving, cheap eats
- Flights (RT from US)
- $320–$390
- Accommodation / day
- $50–$100
- Diving / day
- $90–$100
- Food / day
- $25–$45
- Transfers + misc
- $50–$150
3-star hotels, standard boat ops, mix of restaurants
- Flights (RT from US)
- $500–$610
- Accommodation / day
- $120–$220
- Diving / day
- $100–$130
- Food / day
- $50–$90
- Transfers + misc
- $50–$150
Top resorts or liveaboards, premium operators
- Flights (RT from US)
- $770–$940
- Accommodation / day
- $260–$500
- Diving / day
- $130–$170
- Food / day
- $100–$200
- Transfers + misc
- $50–$150
Flights priced round-trip from a major US hub. Figures are per person on a shared room. Solo travelers add ~30% to accommodation.
Build a trip around it
Most divers fly across the world for one destination and don't realise another worth-it site is 90 minutes away. Here are the honest pairings.
- Cozumel80.7Mexico
Regional neighbour with a different dive type. Worth the extra flight if you want variety.
- Bonaire80.7Caribbean Netherlands
Regional neighbour with a different dive type. Worth the extra flight if you want variety.
- Cayman Islands80.3Cayman Islands
Regional neighbour with a different dive type. Worth the extra flight if you want variety.
- Turks & Caicos77.1Turks and Caicos Islands
Regional neighbour with a different dive type. Worth the extra flight if you want variety.
- Utila68.2Honduras
Regional neighbour with a different dive type. Worth the extra flight if you want variety.
- Little Cayman65.0Cayman Islands
Regional neighbour with a different dive type. Worth the extra flight if you want variety.
Best dive types here