Ocean First - Ocean Conservation & Marine Science Education

Weekday Open Water Certification Class

Earn your open water certification in two weeks on Mondays/Tuesdays/Wednesdays. Class times are subject to change, learn more and sign up here.

Weekend Open Water Certification Class

Earn your open water certification in two weekends on Fridays/Saturdays/Sundays. Class times are subject to change, learn more and sign up here.

Semi-Private Weekend Open Water Certification Class

Earn your open water certification in two weekends with personalized private instruction for you and your family or friends. Class times are subject to change, learn more and sign up here.

Accelerated Open Water Certification Class

Complete your open water certification in one weekend! Ask about eligibility. Class times are subject to change, learn more and sign up here.

Open Water Practice Sessions

All current open water students are invited to our free open water practice sessions on select Saturday and Sunday afternoons, where students can work on their comfort and skills in the pool before their open water dives. Class times are subject to change, call us to schedule a time at 303-444-7234.

Scuba Skills Update

Refresh your scuba knowledge before your next open water dive. This three hour class will re-introduce you to your dive skills so you can have a safe and worry-free dive trip. Class times are subject to change, learn more and sign up here.

Group Try Scuba Class

Get your feet wet in our exciting introductory two-hour Try Scuba class. Everything is included, just bring your bathing suit! Class times are subject to change, learn more and sign up here.

Freediving Class

Learn how to safely explore the underwater world on a single breath in our Level 1 Freediving class. Class times are subject to change, learn more and sign up here.

Freediving Clinics

Our freediving clinics are designed to help freedivers fine-tune their skills and learn new techniques and concepts emerging in the sport. Certified freedivers only unless otherwise stated. The drop-in cost is $20, or free for Freediving Club Members. Class times are subject to change, please contact Ocean First for confirmation.

TIDES Rangers 1&2 Experience

Introduce your child (ages 8-11) to the underwater world with TIDES Rangers! Start with the developmental program and then move into the specialty programs. Learn more and sign up here.

Aurora Reservoir, Colorado

Complete your certification dives closer to home at Aurora Reservoir, only an hour from Boulder. Summer water temperatures are generally 65-70ºF. Available July through October.

Blue Hole, New Mexico

Located in Santa Rosa, New Mexico along old Route 66, the Blue Hole is an 80ft deep natural sinkhole filled with cool, crystal clear springwater.

Homestead Crater, Utah

Complete your dives in the geothermally heated Homestead Crater in Midway, Utah. The toasty 95ºF water makes this a truly unique dive experience. Trips run from the fall through the spring.

Cozumel, Mexico

Complete your open water dives in the warm waters of Cozumel. Fly in on Saturday, have five days of diving, and return on Saturday. Open Water students who choose to complete their Open Water certification dives on this trip can apply the certification fee towards the overall trip cost.

Looking for something more exotic?

Ocean First Travel offers a variety of group trips to exciting international dive destinations, and are able to help plan a custom trip for all types of divers.

Enriched Air Nitrox

Nitrox allows for longer bottom time and larger safety margins. One of our most popular con-ed courses, and can be completed without pool time. Class times are subject to change, learn more and sign up here.

Ecology Programs

These programs offer a wealth of knowledge about different aspects of the underwater world, including how to identify fish based on physical appearance and behavior, the life-cycles of sea turtles, the unique reproductive cycle of corals, and how human behaviors impact the marine environment. Class times are subject to change, learn more and sign up here.

React Right

Learn the the basics of First Aid, CPR, AED and Oxygen administration in diving emergencies and how to properly evaluate an emergency situation. Required prerequisite for Stress & Rescue. Class times are subject to change, learn more and sign up here.

Stress & Rescue

Learn how to avoid, recognize, and solve problems on the surface and underwater and be prepared for an unexpected emergency. Class runs for three days in a row. Class times are subject to change, learn more and sign up here.

Science of Diving

This program provides an in-depth and detailed study of physics, physiology, decompression theory, the aquatic environment and diving equipment. It is required training for most SSI Dive Professional programs. Class times are subject to change, learn more and sign up here.

Navigation

Learn how to use a compass, natural navigation skills, estimate distances, perform search patterns, and find your way back to the exit point. Class times are subject to change, learn more and sign up here.

Wreck Diving

Wreck dives offer a glimpse into the past and a hearty history lesson. Learn how to stay safe while navigating these exciting nautical artifacts. Class times are subject to change, learn more and sign up here.

Perfect Buoyancy

Proper buoyancy control is best mastered with proper training. The Perfect Buoyancy course will teach you how to reduce your effort and improve air consumption underwater, while preventing you from accidentally damaging the reef. Class times are subject to change, learn more and sign up here.

Deep Diving

This course will give you the knowledge, skills, and experience to safely dive to deeper depths. Class times are subject to change, learn more and sign up here.

Night & Limited Visibility

This course will teach you about planning and conducting safe night and limited visibility dives. Class times are subject to change, learn more and sign up here.

Waves, Tides, and Currents

The motion of the ocean can have a big effect on your enjoyment of a dive. This course will teach you how to interact with a variety of water conditions. Class times are subject to change, learn more and sign up here.

Boat Diving

This course covers the knowledge you need to make your first boat diving vacation a true success, and how to prepare for diving from all sizes and types of boats. Class times are subject to change, learn more and sign up here.

Drysuit Diving

With a Dry Suit Diving speciality course, never fear cold water again! Learn the basics of dry suit diving in this specialty course, and ensure your comfort and safety underwater. Class times are subject to change, learn more and sign up here.

Photo and Video

This program teaches you the skills needed to dive with an underwater camera, and provides the in-depth knowledge and experience required to properly use, maintain and store your equipment. Our goal is help you capture your amazing underwater experiences. Individually scheduled. Class times are subject to change, learn more and sign up here.

Equipment Techniques

Become one with your Total Diving System. In this course, you will learn about equipment selection, care and maintenance of your gear, and proper gear storage. Your equipment will thank you! Individually scheduled. Class times are subject to change, learn more and sign up here.

Altitude Diving

When diving at altitudes higher than 1000’, your dive table changes. Altitude Diving teaches you how to safely plan dives at high altitudes. Individually scheduled. Class times are subject to change, learn more and sign up here.

Search & Recovery

From sunken treasure to your buddy’s dive mask, there are times that knowing how to find lost items can be beneficial. In this course you will learn different search patterns for various conditions and how to lift objects underwater. Class times are subject to change, learn more and sign up here.

Freediving

Less equipment, more connection. Learn how one breath can provide a more intimate underwater experience. Class times are subject to change, learn more and sign up here.

CALENDAR OF EVENTS

EVENTS & PROMOS

SCUBA CLASSES