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Welcome to The Dive Log, your ultimate resource for scuba diving in Guanacaste, Costa Rica. Our posts are designed to provide you with expert knowledge and insights into the Pacific waters off the coast of Playa Potrero and Flamingo. We'll share our favorite dive spots, including the world-famous Catalina Islands and Bat Islands, and showcase the natural beauty of the islands and dive spots around the region. We proudly service clients from popular beach towns like Playa Flamingo, Playa Potrero, Playa del Coco, and Tamarindo, and our blog is dedicated to showcasing the abundant marine life that makes this area the best scuba diving in Costa Rica. As a dive operation deeply committed to the health of our oceans, we also highlight the importance of conservation, our sustainable practices, and how every dive contributes to preserving this stunning underwater world.
Published on: 04.06.2026
NEWS & UPDATES June is here, and the ocean keeps surprising us! Thanks to our amazing community for diving with us, supporting the crew, and continuing to create unforgettable underwater memories. Our creature of the month is the nudibranch, tiny, colorful, and endlessly cool. These sea slugs come in an incredible range of shapes and […]
Published on: 19.05.2026
Best Time To Dive Costa Rica | A Local’s Month-by-Month Guide After running dives out of Playa Potrero almost every day for the past two years, the question I get more than any other is some version of “when should I come?” It’s a fair question, and the honest answer is that there isn’t one […]
Published on: 07.05.2026
Celebrating 2 Years of Diving in Guanacaste | May News & Updates May is here, and the ocean keeps surprising us! Thank you to our amazing community for diving with us, supporting the crew, and continuing to create unforgettable underwater memories. Our creature of the month is the Seahorse—one of the ocean’s most unique and […]
Published on: 02.04.2026
NEWS & UPDATES March has been fantastic! Thank you to our amazing community for diving with us, supporting the crew, and creating unforgettable underwater memories. Our creature of the month is the Manta Ray, and with Manta season now underway, sightings are becoming more frequent. These gentle giants are known for their intelligence and curious […]
Published on: 02.03.2026
NEWS & UPDATES February has been fantastic! Thank you to our amazing community for diving with us, supporting the crew, and creating unforgettable underwater memories. With Manta season now underway, sightings are increasing, and every dive feels extra special as we encounter these majestic visitors. To celebrate the season and show our appreciation, for the […]
Published on: 13.02.2026
Why PADI Certification Is The Gold Standard When you decide to breathe underwater for the first time, you aren’t just picking a hobby; you’re joining a global community of explorers. While there are various agencies out there, PADI Certification remains the undisputed gold standard for divers across the globe, recognized by every international dive center […]
Published on: 19.01.2026
Happy New Year from all of us at Under the Sea Diving We hope 2025 is off to a great start for you and that this new year brings adventure, connection, and plenty of time in the ocean. We’re excited to kick off the year with some incredible news… Meet Our Newest Instructor – Sebastián! […]
Published on: 29.12.2025
Scuba Diving Playa Flamingo | The Heart of Guanacaste Diving Playa Flamingo has always been the postcard-perfect spot of the Gold Coast, but for those of us who spend our mornings on the water, the real draw is what’s happening beneath the surface. Scuba Diving Playa Flamingo puts us right on the doorstep of the […]
Published on: 21.11.2025
Manta Ray Diving Guanacaste | Manta Ray Season Has Arrived! Starting mid-November, the magnificent manta rays return to Guanacaste’s waters! These gentle giants can have a wingspan up to 7 meters and are famous for their graceful acrobatics in the water. As filter feeders, they glide with their mouths open to eat plankton, making them […]
Published on: 20.10.2025
The Best Scuba Diving in Costa Rica: Your Guanacaste Dive Site Spotlight Pura Vida isn’t just a greeting in Costa Rica—it’s a way of life that extends deep beneath the Pacific waves. If you’ve been searching for the absolute best Costa Rica diving experience, look no further than the sun-drenched, rugged Pacific coastline of Guanacaste. […]
Published on: 20.10.2025
Announcing Our New Beachfront Dive Center – Featuring an On-Site Pool! Welcome to our very first newsletter! From now on, we’ll be sending you monthly updates packed with exciting diving events, upcoming trips, and all the latest news from our community. Be sure to stop by and visit us at our new beachfront location, within […]
Published on: 17.09.2025
How To Get PADI Certified in Costa Rica | A Guanacaste Experience The journey to become a certified scuba diver begins with the PADI Open Water Diver course. At Under The Sea Diving in Playa Potrero, Guanacaste, Costa Rica, this comprehensive course provides the foundational knowledge and in-water skills needed to explore the ocean with […]
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