October Social: Destination Iceland

Learn about exploring Iceland both above and below the water. Hosted by Roger Young. More info

Thursday, October 19th at 6:30pm.

Specialty of the Month: Nitrox

In just 3 hours, become certified to dive on Nitrox, which allows for longer bottom time and larger safety margins (no pool time required!) Thursday, Sept 28th from 6-9pm. Sign up & receive $15 towards any future purchase!

Underwater Pumpkin Carving

Get in the spirit of Halloween with underwater pumpkin carving! Join us in the eerie, dark waters of Aurora Reservoir before it closes for the season; we'll provide the pumpkins, post-dive pumpkin beer, awards for the best carving, and lunch. $10 per person (does not include rental gear). FREE for Club Aquarius. 
Saturday, October 28th from 10am-2pm


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:

  • Aug: 4, 5, 6, 11, 12, 13 
  • Sept: 8, 9, 10, 15, 16, 17
  • Oct: 6, 7, 8, 13, 14, 15
  • Nov: 3, 4, 5, 10, 11, 12
  • Dec: 1, 2, 3, 8, 9, 10

Monday/Tuesday Open Water Class

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

Upcoming Classes:

  • Aug: 7, 8, 14, 15, 21, 22
  • Sept: 11, 12, 18, 19, 25, 26
  • Oct: 2, 3, 9, 10, 16, 17
  • Nov: 6, 7, 13, 14, 20, 21
  • Dec: 4, 5, 11, 12, 18, 19

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:

  • Aug: 22, 25, 26, 27
  • Sept: 26, 29, 30, Oct 1
  • Oct: 24, 27, 28, 29
  • Nov: 21, 24, 25, 26

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:

  • Aug 12th 1-3pm
  • Aug 27th 9-11am
  • Sept 9th 1-3pm
  • Sept 24th 9-11am
  • Oct 14th 1-3pm
  • Oct 22nd 9-11am
  • Nov 11th 1-3pm
  • Nov 26th 9-11am
  • Dec 9th 1-3pm
  • Dec 24th 9-11am

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:

  • Aug 9th  6- 9pm
  • Aug 27th 1-4 pm
  • Sept 13th  6- 9pm
  • Sept 23rd  9am-12pm
  • Oct 11th 6-9pm
  • Oct 28th 9am-12pm
  • Nov 8th 6-9pm
  • Nov 25th 9am-12pm
  • Dec 13th 6-9pm
  • Dec 23rd 9am-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:

  • Aug 20th 1-3pm
  • Sept 6th 6:30-8:30pm
  • Sept 17th 1-3pm
  • Oct 4th 6:30-8:30pm
  • Oct 15th 1-3pm
  • Nov 1st 6:30-8:30pm
  • Nov 19th 1-3pm
  • Dec 6th 6:30-8:30pm
  • Dec 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:

  • Aug 16-18th
  • Sept 20-22nd
  • Oct 18-20th
  • Nov 15-17th
  • Dec 20-22nd

Freediving Club

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

Upcoming Dates:

Aug 10th, Aug 19th, Aug 26th, Sept 7th, Sept 14th, Sept 23rd, Sept 30th, Oct 5th, Oct 12th, Oct 21st, Oct 28th, Nov 2nd, Nov 9th, Nov 18th, Nov 25th, Dec 7th, Dec 14th, Dec 16th, Dec 23rd


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:

  • Aug 19-20th
  • Sept 9-10th
  • Oct 7-8th

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:

  • Oct 14-15th
  • Nov 18-19th
  • Dec 9-10th

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:

  • Oct 21-22nd
  • Nov 4-5th
  • Dec 16-17th

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:

  • Sept 2nd
  • Oct 7th
  • Nov 4th
  • Dec 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:

  • August 10th
  • September 14th
  • October 12th
  • November 9th
  • December 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:

  • October 16-18th 

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:

  • Aug 28-30th
  • Oct 23-25th
  • Nov 27-29th
  • Dec 26-28th

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:

  • Aug 24th from 6-7:30pm *Specialty of the Month: 10% off any compass*
  • Sept 2nd
  • Oct 7th
  • Nov 4th 
  • Dec 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:

  • Aug 20th
  • Oct 15th
  • Nov 19th
  • Dec 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:

  • Aug 19th
  • Oct 21st
  • Nov 18th
  • Dec 16th

Night & Limited Visibility

This course will teach you about planning and conducting safe night and limited visibility dives. Class generally runs from 2-4pm

Upcoming Dates:

  • Aug 6th
  • Sept 3rd
  • Oct 1st
  • Nov 5th
  • Dec 3rd

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:

  • Aug 20th
  • Oct 15th
  • Nov 19th
  • Dec 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:

  • Sept 3rd
  • Oct 15th
  • Nov 19th
  • Dec 17th