Explore Pristine Waters Today
Dive into Costa Rica's vibrant marine life with OsaVenturas' unparalleled snorkeling and fishing expeditions for unforgettable adventures.
Explore the Wonders of Costa Rica
Nestled in the heart of the biggest mangrove in Costa Rica, OsaVenturas is your gateway to unforgettable mangrove, snorkeling and fishing adventures. We are passionate about showcasing the natural beauty and rich marine life that our stunning coastlines have to offer. Our expert guides ensure a safe and thrilling experience, tailored to both novice explorers and seasoned adventurers alike. Experience the thrill of reeling in a big catch or swimming alongside vibrant sea creatures, all while surrounded by breathtaking views.
Experience Thrilling Ocean Excursions
Discover exhilarating underwater worlds and pristine fishing spots with OsaVenturas, your gateway to unforgettable aquatic adventures in Costa Rica.
Free Diving
Fishing & Spear Fishing
Venture into deep waters and reel in or spear the catch of a lifetime.
Coastal Wildlife Observation
Discover Costa Rica's rich marine life along the Sierpe mangrove and the coast, perfect for nature enthusiasts and families.
Private Boat Charters
Sunrise at the River Experience
Witness breathtaking Sunrise while exploring the in serene waters of the Terraba Sierpe Mangrove, offering a amazing start to an adventurous day.
Sea to Table experience
This isn’t your average fishing trip — it’s a deep dive into nature, self-reliance, and connection with the sea.
safety and confort
This is not a panga ride. Our boats are clean, comfortable, and fully equipped — with shade, safety gear, communication systems, and extra care. Our crew is local, trained, and passionate about the ocean they grew up on. Your experience isn’t just safe — it’s deep, intimate, and unforgettable.
OsaVenturas provided an unforgettable experience! The guides were incredibly knowledgeable, and seeing the vibrant marine life up close was breathtaking. Their passion for the ocean is infectious, making every moment memorable. I can't wait to return for another adventure in Costa Rica!
- Jenna Collins