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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: 03.09.2026
September Dive Report | Beach Cleanups & Ocean Conservation in Guanacaste September is here! Thank you to our incredible dive community for diving with us, supporting the crew, and making every outing unforgettable. The season keeps delivering amazing encounters, and we’re excited for more shared adventures on the horizon. September Special — Local Dives, Family […]
Published on: 07.08.2026
August Dive Deals & Humpback Season August is here, and it’s one of the best months of the year to be in the water with us! Thank you to our incredible dive community for diving with us, supporting the crew, and making every outing unforgettable. With humpback whale season now underway in Guanacaste, we’re excited […]
Published on: 10.07.2026
Creature of the Month: The Green Sea Turtle July is here, and the sea keeps surprising us! Thank you to our incredible community for diving with us, supporting the crew, and creating more unforgettable underwater memories. This month, we’re spotlighting the Green Sea Turtle, one of the most commonly seen and beloved species while diving […]
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 | Gateway to the Catalina Islands 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 […]