Welcome To Crystal Blue Diving!

The Largest Selection of Dive Gear in the Northwest Suburbs

Crystal Blue Diving is a family-owned SDI Five Star Professional Development Center, TDI Five Star Dive Center, ERDI & PADI Dive Center located in Lake In The Hills, Illinois. We are the premier full-service scuba training provider for Chicago's Northwest Suburbs offering scuba diving and snorkeling training for the beginner, up through Instructor 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.  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 are excited to help you become a professional Divemaster or Instructor!

At Crystal Blue Diving, you will find the area’s largest stocked selection of scuba and snorkel equipment with exclusive brands like SCUBAPRO, Atomic Aquatics, Hollis, Zeagle, Oceanic, Shearwater, Bare, SUUNTO and MORE. In addition to new equipment sales, we also service all the brands we carry as well as offer equipment rentals and air fills.

Interested in planning your next adventure? We are always organizing several instructor-led dive 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!

We are also grateful for our veterans both near and far. To learn more about the organizations we partner with and find ways to give back, please visit:

Hero to Hero

Veterans Path To Hope

Navy SEAL Foundation

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.

Why Choose Crystal Blue Diving?