Welcome to Sea Level Diving’s Web Site.

Sea Level Diving is a full service scuba diving facility that has been serving Northern Illinois for more than 20 years. We offer scuba diving lessons, snorkeling lessons, scuba diving equipment, snorkeling equipment, scuba diving vacations, scuba diving equipment repairs, air fills, and rental equipment. We sell and service Aqua Lung (U S Divers), Dacor, Mares and Scubapro scuba equipment and have many other scuba product lines. Whatever your scuba diving needs, Sea Level Diving can service them. Sea Level Diving is located in Crystal Lake, Illinois (an hour northwest of Chicago), at the intersection of Main St. and Berkshire Dr. Please send us an e-mail to let us know you visited our site. Privacy Policy