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Our story began with a simple belief: that the most meaningful adventures happen beneath the waves. As a family-owned and operated business, Under the Sea Diving was founded right here in Guanacaste, Costa Rica, with a commitment to sharing the magic of the Pacific with everyone from first-time divers to seasoned professionals. We're more than just a dive shop; we are a community built around a shared love for the ocean and a deep respect for its delicate ecosystems. Our local roots run deep, giving us an intimate understanding of the dive sites, the seasonal marine life, and the optimal conditions for an unforgettable experience. Over the years, we have had the privilege of guiding thousands of individuals through their first breath underwater, helping them earn their PADI certifications, and leading countless expeditions to some of the most spectacular underwater environments in the world. We believe that true conservation starts with education and experience, which is why every tour and course we offer includes a focus on responsible diving practices and marine preservation. Our team of PADI-certified instructors and divemasters is dedicated to providing a safe, personalized, and professional service, ensuring you get the most out of your time with us. It’s this dedication to our craft and our community that has helped us earn our reputation as Guanacaste’s top-rated PADI dive shop. We look forward to welcoming you and sharing the beauty that lies just below the surface.
Aaron is very passionate and excited to teach others about diving. As one of the most qualified PADI Master Scuba Diver Trainers in Guanacaste, he is thrilled to share his vast knowledge of 23 PADI Specialties. His knowledge isn't solely for trained and experienced divers but also for divers of all ages and skill levels, including children and clients new to diving with no prior experience. His main focus is providing the best client experience possible at the highest level of safety. He hopes you join him soon to enjoy the amazing world under the sea!
Hannah will now be running our office, keeping everything running smoothly both above and below the water. With over 20 years as a PADI Member and the experience of a PADI Staff Instructor, she brings a wealth of knowledge, professionalism, and passion for diving. Whether she’s organizing trips, supporting students, or sharing her diving wisdom, Hannah’s dedication to the underwater world is truly inspiring. We’re excited for the adventures ahead and feel lucky to have her at the helm of our operations. Welcome aboard, Hannah!
Based in Huacas, Danny brings over eight years of experience on the water, with a background in sport fishing. He has a true passion for the ocean and everything it has to offer, and loves connecting with people while sharing that passion. Danny is always looking to learn more, knowing that every day at sea is different. What he enjoys most is taking others out to discover the incredible marine life this country has to offer—we’re so excited to have him as part of the team.
We’re thrilled to announce that Ariel I is finished and in the water, ready to elevate your dive days. Ariel I is designed for spacious, comfortable diving days — the roomy open center makes gearing up and moving around effortless, with plenty of bench seating and shaded areas for relaxing between dives. Scuba tanks are neatly stowed along the sides, leaving the middle clear for easy entry and exit and gear staging. Powered by two big outboard motors, Ariel I reaches dive sites quickly and smoothly, so you spend more time underwater and less time in transit. The twin-engine setup also provides confident handling and reliability for every trip.
