Buoyancy Workshop

Learn and practice the fundamentals of buoyancy in our pool, taught by Kathy Gagliardo. November 27th from 7-9pm. $25 per person (or $10 for Club Aquarius). Must sign up ahead of time. 

Gift Guide

Want to surpise the ocean-lover in your life but don't know where to start? Browse our gift guide for some great ideas!

Light & Motion Promotion

Dive lights enhance your day dives and make night dives possible, plus they are the key to adding bursts of color to your underwater photos. Now you can save big on the following lights:

  • GoBe S 700 Spot: $129.99 (regularly $149.99) 
  • GoBe S 500 Spot: $99.99 (regularly $129.99) 
  • Sidekick Flood Silver: $79.99 (regularly $99.99)

Promotion ends 12.31.2017

Save on Mikron Regulators

Our 2017 Mikron regulator models are currently 20% off. These our a favorite among our staff for how light they are without compromising on functionality. 

FLASH SALE: Henderson Vests

Save 20% on Henderson hooded vests and zip vests. Offer ends 11/26. 

Free Gift with BCD Purchase

Receive a free select Explorer bag from Aqualung with the purchase of any Dimension or Lotus BC (while supplies last). These durable bags were designed by and for divers and will travel with you and your new gear with ease. 

Underwater Photography Workshop

Get comfortable with your camera gear and learn how to set yourself up for the best shots. Taught in our pool by Kathy Gagliardo. November 28th from 7-9pm. $25 per person (or $10 for Club Aquarius). Space is limited, must bring your own camera.


The Swim School will not have any classes during the week of Thanksgiving (Nov 20-24) while we replace our water boiler. The pool will be open for scuba during the week but bring your wetsuit! The entire business will be closed Nov 23-24th. Enjoy the holiday!

2017 Customer Appreciation Party

As 2017 comes to a close, we like to take a moment to reflect on all that we are grateful for, one of the most important being our Ocean First family. Please join us for food, refreshments, laughs, stories, and custom gifts for all in attendance. Bring in 5 cans of food & receive a $10 coupon! Thursday, December 14th at 6:30pm. More info


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

Private Weekend Open Water Class

Earn your open water certification in two weekends with personalized private instruction for you and your family or friends. Classes generally meet on Friday-Sunday. 

Upcoming Classes:

  • Jan: 19-21, 26-28
  • Feb: 16-18, 23-25
  • Mar: 16-18, 23-25

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:

  • Nov: 3, 4, 5, 10, 11, 12
  • Dec: 1, 2, 3, 8, 9, 10
  • Jan: 5, 6, 7, 12, 13, 14
  • Feb: 2, 3, 4, 9, 10, 11
  • Mar: 2, 3, 4, 9, 10, 11

Monday/Tuesday Open Water Class

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

Upcoming Classes:

  • Nov: 6, 7, 13, 14, 20, 21
  • Dec: 4, 5, 11, 12, 18, 19
  • Jan: 8, 9, 15, 16, 22, 23
  • Feb: 5, 6, 12, 13, 19, 20
  • Mar: 5, 6, 12, 13, 19, 20

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:

  • Oct: 24, 27, 28, 29
  • Jan: 23, 26, 27, 28
  • Feb: 20, 23, 24, 25
  • Mar: 20, 23, 24, 25

Open Water Practice Sessions

All current open water students are invited to our free open water practice sessions on select Saturday afternoons and Sunday mornings, where students can work on their comfort and skills in the pool before their open water dives. 

Upcoming Dates:

  • Nov 12th 2:30-4:30pm
  • Nov 26th 9-11am
  • Dec 9th 1-3pm
  • Dec 24th 9-11am
  • Jan 13th 1-3pm
  • Jan 28th 9-11am
  • Feb 10th 1-3pm
  • Feb 25th 9-11am
  • March 10th 1-3pm
  • March 25th 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:

  • Oct 28th 9am-12pm
  • Nov 8th 6-9pm
  • Nov 25th 9am-12pm
  • Dec 13th 6-9pm
  • Dec 23rd 9am-12pm
  • Jan 10th 6-9pm
  • Jan 27th 9am-12pm
  • Feb 14th 6-9pm
  • Feb 24th 9am-12pm
  • March 14th 6-9pm
  • March 24th 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:

  • Nov 1st 6:30-8:30pm
  • Dec 6th 6:30-8:30pm
  • Dec 17th 1-3pm
  • Jan 3rd 6:30-8:30pm
  • Jan 21st 1-3pm
  • Feb 7th 6:30-8:30pm
  • Feb 18th 1-3pm
  • March 7th 6:30-8:30pm
  • March 18th 1-3pm

Freediving Class

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

Upcoming Dates:

  • Nov 15-17th

Freediving Club

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

Upcoming Dates:

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.

No upcoming dates. Trips to Aurora will resume in July.

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:

  • Dec 9-10th
  • Jan 13-14th
  • Feb 17-18th
  • March 17-18

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:

  • Nov 4-5th
  • Dec 16-17th
  • Jan 6-7th
  • Feb 10-11th
  • March 3-4th

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:

  • November 9-12th
  • March 8-11th (pending)

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:

  • Nov 4th
  • Dec 2nd
  • Jan 6th
  • Feb 3rd
  • Mar 3rd

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:

  • November 9th
  • December 14th
  • January 11th
  • February 8th
  • March 8th

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:

  • Oct 23-25th
  • Nov 27-29th
  • Jan 29-31st
  • Feb 26-28th
  • Mar 26-28th

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:

  • Jan 22-24th

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:

  • Dec 2nd
  • Jan 6th
  • Feb 3rd
  • March 3rd

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:

  • Dec 17th
  • Jan 21st
  • Feb 18th
  • March 18th

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.

  • Dec 16th
  • Jan 20th
  • Feb 17th
  • March 17th

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:

  • Dec 3rd
  • Jan 7th
  • Feb 4th
  • March 4th

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:

  • Dec 17th
  • Jan 21st
  • Feb 18th
  • March 18th

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:

  • Dec 17th
  • Jan 7th
  • Feb 4th
  • March 4th