August Social: Discover the Solomon Islands

Hosted by Amy, Graham, and Klara. Join us for a visual journey through the remote and vibrant Solomon Islands. Wednesday, August 30th at 6:30pm. 

Aurora Beach Day

Come dive with us on Saturday, July 22nd at the Aurora Reservoir! We will have instructors available to complete a variety of specialties, or you can dive for fun. We will also be hosting underwater and topside games, and will provide light lunch food.

July Social: Fish ID

Learn how to identify fish and become the envy of your dive buddies! Hosted by Cathy Christopher. Thursday, July 20th at 6:30pm. More Info. 

Specialty of the Month: Underwater Photography

Sign up for our Underwater Photography class, taught by Kathy Gagliardo, and receive 10% off any camera or 30% off DC1400's and SeaLife MicroHD cameras. Class is held on Thursday, July 27th at 6pm.

Current Promotions

Vyper Novo Wrist Computer: 25% off (ends 8/31)

Trade in an old computer for up to $125 off a new Aqua Lung computer (details)

20% off Xcel & Velocity Wetsuits

30% off Balance & Libra BCDs

Used Cobra 3 Computers: $350

OFI Fundraiser at Rayback Collective

Support Ocean First Institute's outreach and education efforts by attending their first annual fundraiser, featuring hors d'oeuvres and a jam-packed silent auction. Saturday September 16th from 3:30-6:00pm at Boulder's Rayback Collective. 


Below is a list of our regularly scheduled classes. We also offer private classes on an individual basis. 

Weekend Open Water Class

Earn your open water certification in two weekends. Classes generally meet on the first and second Friday, Saturday, and Sunday of the month.

Upcoming Classes:

  • July: 7, 8, 9, 14, 15, 16 
  • Aug: 4, 5, 6, 11, 12, 13 
  • Sept: 8, 9, 10, 15, 16, 17

Monday/Tuesday Open Water Class

Earn your open water certification in three weeks. Classes meet on Monday and Tuesdays for three weeks.

Upcoming Classes:

  • July: 10, 11, 17, 18, 24, 25 
  • Aug: 7, 8, 14, 15, 21, 22
  • Sept: 11, 12, 18, 19, 25, 26

Accelerated Open Water Class

Complete your open water certification in one weekend! Ask about eligibility. Classes meet the last Tuesday, Friday, Saturday, and Sunday of each month.

Upcoming Classes:

  • June: 20, 23, 24, 25
  • July: 25, 28, 29, 30
  • Aug: 22, 25, 26, 27
  • Sept: 26, 29, 30, Oct 1

Open Water Practice Nights

All current open water students are invited to our free open water practice nights, where students can work on their comfort and skills in the pool before their open water dives. 

Upcoming Dates:

  • June 25th 9-12pm
  • July 8th 1-4pm
  • July 23rd 9-12pm
  • Aug 12th 1-4pm
  • Aug 27th 9-12pm
  • Sept 9th 1-4pm
  • Sept 24th 9-12pm

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.

Upcoming Dates:

  • July 12th 7-9pm
  • Aug 9th 7-9pm
  • Aug 27th 9-12pm
  • Sept 13th 7-9pm
  • Sept 24th 9-12pm

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!

Upcoming Dates:

  • July 5th 6-8pm
  • July 16th 1-3pm
  • Aug 2nd  6:30-8:30pm
  • Aug 20th 1-3pm
  • Sept 6th 6:30-8:30pm
  • Sept 17th 1-3pm

Freediving Class

Learn how to safely explore the underwater world on a single breath in our Level 1 Freediving class

Upcoming Dates:

  • July 19-21st
  • Aug 16-18th
  • Sept 20-22nd

Freediving Club

The Freediving Club meets to practice skills in the pool. No experience necessary. 6:00-9:00pm

Upcoming Dates:

July 6th, July 13th, July 15th, July 22nd, July 29th, Aug 3rd, Aug 10th, Aug 19th, Aug 26th, Sept 7th, Sept 14th, Sept 23rd, Sept 30th


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 September.

Upcoming Dates:

  • July 22-23rd
  • Aug 19-20th
  • Sept 9-10th

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. Trips run year-round.

Upcoming Dates:

  • July 8-9th
  • Aug 5-6th
  • Sept 23-24th

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.

Upcoming Dates:

  • Group trips resume in the fall

Key Largo, Florida

Complete your certification dives in the warm waters of the Florida Keys. Fly in on Thursday, dive Friday and Saturday, and return on Sunday. Trips run quarterly. More information. 

Upcoming Dates:

  • August 10-13th
  • November 9-12th

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.


Below is a list of our regularly scheduled continuing education courses. Other SSI specialties are available and all can be scheduled on an individual basis. 

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 from 1-4pm

Upcoming Dates:

  • Aug 5th
  • Sept 2nd

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 runs from 5:30-9:30pm. 

Upcoming Dates:

  • July 13th
  • August 10th
  • September 14th

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.

Upcoming Dates:

  • July 31st-Aug 2nd

Stress & Rescue

Learn how to avoid, recognize, and solve problems on the surface and underwater and be prepared for an unexpected emergency. Class time is from 6-9pm for three days in a row. 

Upcoming Dates:

  • June 26-28th
  • July 24-26th
  • Aug 28-30th

Underwater 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 time is from 10-12pm.

Upcoming Dates:

  • July 1st
  • Aug 5th
  • Sept 2nd

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 time is from 10-12pm.

Upcoming Dates:

  • July 16th
  • Aug 20th
  • Sept 17th

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 time is from 10-12pm.

Upcoming Dates:

  • July 15th
  • Aug 19th
  • Sept 16th

Night & Limited Visibility

This course will teach you about planning and conducting safe night and limited visibility dives.

Upcoming Dates:

  • July 2nd from 2-4 pm
  • Aug 6th from 2-4pm
  • Sept 3rd from 2-4pm

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 time is from 1-3pm. 

Upcoming Dates:

  • July 16th
  • Aug 20th
  • Sept 17th

Deep Diving

This course will give you the knowledge, skills, and experience to safely dive to deeper depths. Class time is from 12-2pm.

Upcoming Dates:

  • July 2nd
  • Aug 6th
  • Sept 3rd