9119 Trinity Drive, Lake In The Hills, Illinois 60156, United States

(224) 333-0800

Crystal Blue Diving

Northwest suburb's premier full-service scuba training center


Are you ready to start the adventure of a lifetime?

Welcome To Crystal Blue Diving

Crystal Blue Diving is a PADI Dive Center located in Lake In The Hills, Illinois. Being a stone’s throw from both the Sage YMCA and Three Oaks Recreation Center, we are the premier full-service scuba training provider for Chicago’s Northwest suburbs. Crystal Blue Diving offers scuba diving and snorkeling training for the beginner, up through professional level dive courses. 

If you have always wondered what it would be like to scuba dive, you’ve found the right place.  Our Discover Scuba Diving class offers an introduction for the new or curious diver, while our Open Water Certification course is perfect for those ready to jump start their dive adventures.  We offer Open Water classes every weekend.  For the certified diver, we also provide a robust range of classes to help build upon and expand your underwater skills.  And when you are ready share your love of diving with others, we would love to help you become a PADI Professional Divemaster or Instructor!

Here at Crystal Blue Diving, we specialize in individualized training.  This maximizes personal attention and insures quality of training, safety and overall experience.  We offer flexible class schedules that fit into your busy lifestyle.  See our Teaching Philosophy.

In addition to the classes mentioned above, we also organize several instructor-led group trips to both local and exotic 

dive locations.  Meet people, go places and have fun making memories while exploring the blue world.  Diving is always more fun with friends!

Twenty years from now you will be more disappointed by the things you didn’t do, than the things you did do!   Dream, Discover, DESCEND.

About Us

About Us


Our Vision

Our Mission

Teaching Philosophy

Learn To Dive


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About Us

Professional Dive Training

We provide scuba training from beginner to professional.   We offer superior training, utilizing the best equipment available from the top manufacturers in the industry, providing you with the best overall experience. 

Expansive Indoor Pool

We have partnered with the Sage YMCA, located in Crystal Lake, to provide our customers with the finest facilities available. This allows us to create the best possible environment for learning and helps to maximize your enjoyment and dive experience.

I Want To Learn To Dive Now

We offer Open Water Classes every weekend.

Twenty years from now you will be more disappointed by the things you didn’t do, than the things you did do!   

                  Dream, Discover, DESCEND 

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Crystal Blue Diving

9119 Trinity Drive, Lake In The Hills, Illinois 60156, United States

(224) 333-0800 office (224) 333-0859 fax info@crystalbluediving.com


Open today

10:00 am – 7:00 pm



The PADI Open Water Diver course is the world’s most popular scuba course and has introduced millions of people to the diving lifestyle. The PADI Open Water Diver course has three main phases (completed over the course of 2 weekends), all designed to fit your schedule: 

1. Knowledge Development (independent study and Classroom) This introduces you to basic principles of scuba diving.

- Completed at home at your own pace.

-  Read five sections in student manual. 

- View corresponding section on DVD.

- Complete knowledge review at the end of each section.

- Classroom portion, review completed knowledge reviews, equipment familiarization and final exam. 

- Available Dates: September 7, 14, 21, October 5 at Crystal Blue Diving in LITH

2. Confined Water Dives to learn basic scuba skills.

- Available Dates: September 15 and October TBD - Sage YMCA in Crystal Lake

3. Open Water Dives to test and hone your skills in open water

- Available dates: September 14/15, 21/22 and October 5/6, 12/13- at either Three Oaks Recreation in Crystal Lake or Pearl Lake in South Beloit


*Must be at least 10 years old

*Student is required to have their own mask, snorkel, fins and boots suitable for scuba diving.  


$335 Classroom and Confined Water Pool Training (includes review and final exam, use of all scuba equipment and referral paperwork, if needed.)

$140 Open Water Training Dives

*Materials and certification included: Open Water Crew-pak (includes dive computer simulator and Student Planning Slate)

TOTAL: $475


SPECIAL OFFER FOR COME-A-LONG TRIP GUESTS:$50 off certification price, PLUS an additional $50 off certification if personal equipment is purchased through Crystal Blue Diving (mask, snorkel, fins and boots). 

UP TO A $100 VALUE! (booking confirmation required)

Open Water Certification TOTAL:   $475

Discounts:  -$100

Final Cost:   $375

You also receive Crystal Blue Diving’s Sure-Fit guarantee: If any of the gear purchased from CBD does not fit properly, you can easily exchange for something that would better satisfy your needs during the pool session