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CostaRicaScubaDive.com · Printable Field Sheet (2026 Edition)

Costa Rica Scuba & Snorkeling Pre-Trip Checklist

1. Documents, Gear & Boat Boarding

  • Certification Card & Logbook: Required for all Certified Diver Trips (Open Water for Catalina/Caño/Coco; Advanced for Bat Islands).
  • Passport Number for Reserve Permits: Required in advance for Isla del Caño Biological Reserve and Santa Rosa / Bat Islands.
  • Regulator Valve Check: Costa Rica tanks use Yoke (INT) valves by default; pack a DIN-to-Yoke spin-on adapter if bringing a DIN regulator.
  • Wet-Landing Dry Bag: Pack a 20L waterproof dry bag and water sandals for beach boat boardings in Drake Bay, Uvita, and Playas del Coco.

2. Medical Screening & Pre-Flight Safety

  • Diver Medical Questionnaire: Complete the standard RSTC/UHMS medical form before arrival; bring signed physician clearance if any condition applies.
  • Flying After Diving (DAN Guideline): Wait at least 12 hrs after a single no-decompression dive and 18–24+ hrs after multiple dives before flying.
  • Reef Conservation: Use mineral-only sunscreen; never wear dive gloves or touch coral/rock inside Isla del Caño or Cahuita National Park.
  • Costa Rica Emergency Number: Dial 911 nationwide for coast guard, medical, or emergency assistance.