Learn to dive at Costa Rica’s Catalina Islands over three days of classroom, confined-water practice, and four open-water dives. This SSI course is hands-on, beginner-friendly and awards certification to 18 m/60 ft.
More ways to explore the area's outdoor wonders
You step off the dock with the Pacific sun on your shoulders and the briny breath of the sea already in your lungs. The boat hums, and banana bread and fruit sit in a plastic crate — a small, human warmth against the wide blue. Out beyond the beach, the Catalina Islands rise as dark rock and reef, the water turning from turquoise to royal where the drop-offs begin.
Difficulty
moderate
Duration
3 days (approx. 72 hours including surface intervals)
Fitness Level
Requires moderate fitness—comfortable swimming ability, ability to tread water and perform confined-water exercises.
Wildlife
History
The Guanacaste coast developed around small fishing villages; volcanic activity and uplift created many of the reefs and rocky outcrops divers use today.
Conservation
Operators commonly follow no-touch rules and encourage reef-safe sunscreen; respect for local marine protected zones helps sustain coral and fish populations.
Reserve your spot on the SSI Open Water Diving Course in Costa Rica 3 days today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a personal mask
A well-fitting mask makes skill drills and equalization easier; operators provide gear but a personal mask improves comfort.
Hydrate and eat light
Sea conditions and physical drills tax your body—drink water and eat a carb-rich breakfast before boat departures.
Know your medical limits
This course is not recommended for people with certain heart, spinal, or pregnancy restrictions—get medical clearance if in doubt.
Practice equalizing
Work on Valsalva or Frenzel techniques on land to prevent ear discomfort during descents.
Personal mask & snorkel
A properly fitted mask speeds skill learning and reduces leaks during drills.
Reef-safe sunscreen
Protects your skin from tropical sun while minimizing harm to marine life.
Light daypack or dry bag
Keeps valuables and a change of clothes dry on the boat between dives.
Logbook or waterproof notebook
Record dive profiles and instructor notes—useful for future training and certification records.