Why Dive

Scuba diving is one of the most rewarding and transformative experiences you can have. Push your boundaries, explore underwater landscapes, and travel the world.


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Dive Classes

Ocean First Dive offers a wide array of classes for every diver, including open water and refresher courses, con-ed specialties, marine science, and professional certifications.


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Class Schedule

We offer both private and group classes to work around your schedule and teach at a comfortable pace that ensures you enjoy a lifetime of safe and confident diving.

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The Ocean First Dive Difference

Ocean First Dive offers the excitement and adventure of diving in a comfortable learning environment. Our instructors provide the highest quality dive instruction, but know that one size does not fit all. We love teaching new skills whether you are a beginner or an advanced diver and tailor our programs to fit each customer. We also service nearly every brand and type of equipment through our in-house full service center. Come see what makes the Ocean First experience unlike any other.

  • 89 degree pool

    89 degree pool

  • Small class sizes (4:1)

    Small class sizes (4:1)

  • Unlimited practice sessions

    Unlimited practice sessions

  • Keep green business from swim

    Voted Boulder County’s Best Green Business


May Specialty of the Month: Night and Limited Visibility

May Specialty of the Month: Night and Limited ...

Sign up for our May Night and Limited Visibility class and receive 10% off any dive light! Class is held on Thursday, May 25th from 6-8pm. With the right equipment and a powerful torch there is a lot to discover. Night diving is a whole new way to experience the underwater world. 


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May Social - Destination: Antarctica

May Social - Destination: Antarctica

(RESCHEDULED DUE TO WEATHER) Join us on May 25th for our social about Amy's recent expedition to the frozen continent. 

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April Social: Talking Sweet - Sharks & Corals in Gulfo Dulce

April Social: Talking Sweet - Sharks & Corals ...

Join Ocean First for an evening with two Boulder women doing amazing work in ocean conservation here and abroad: Dr. Joanie Kleypas and Dr. Mikki McComb-Kobza. Thursday, April 13th at 6:30pm

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Freediving & TIDES

At Ocean First, our commitment to the highest quality dive education doesn't stop when you learn to scuba. We appreciate all aspects of the underwater world and love bringing our other passions into the fold, like freediving and TIDES. 

Imagine exploring the underwater world on a single breath, moving effortlessly through the water, unencumbered by heavy or awkward gear. Whether you’re interested in exploring coral reefs, swimming with whales, or considering its competitive aspects, FREEDIVING is a sport that can be enjoyed by everyone. 

TIDES is our middle and high school scuba and marine science program that combines engaging interdisciplinary science curricula, experiential learning and confidence building scuba expeditions to unlock students’ natural curiosity and passion for rich, meaningful experiences.