Don't Miss Out!
Learn To Scuba Today.

Don't Miss Out!
Learn To Scuba Today.

Image of Sea Level Diving scuba shop

Sea Level Diving

McHenry County's Finest Full Service Scuba Shop

Celebrating over 37 years in business, training thousands of students, spanning 3 generations!

Sea Level Diving offers snorkeling and scuba lessonsdive tripsrental equipmentair and nitrox fills, scuba equipment sales, and service. We are an authorized dealer for Aqua Lung (US Divers), Apeks, and Mares scuba diving equipment; as well as many other scuba product lines. Whatever your scuba diving needs, Sea Level Diving can service them. 

Visit our state of the art facility with indoor pool

Sea Level Diving is proud to be one of the few dive shops in the country with an on-site, indoor pool.  

Benefits of an on-site pool: 

  • Our pool temperature is 90º for your comfort. Health Clubs and High School are typically 75°-80°. 

  • Pool training is split over two days for a better learning experience.

  • Small class sizes of 6 students maximum. 

  • Your class will have exclusive use of the pool, not shared with noisy groups.

  • You can try new equipment before you purchase it.

  • You don't have to haul equipment to an off-site pool.

  • Rent pool time to practice.

  • Convenient course schedules.

  • Private and semi-private classes.

With classrooms and indoor pool on-site, as well as the open water training dive site adjacent to our location, No one makes earning your scuba certification easier and more convenient than Sea Level Diving. Start your course today!

Image of Sea Level Diving Exterior

Sea Level Diving

McHenry County's Finest Full Service Scuba Shop

Celebrating over 37 years in business, training thousands of students, spanning 3 generations!

Sea Level Diving offers snorkeling and scuba diving lessonsdive tripsrental equipmentair and nitrox fills, scuba equipment sales, and service. We are an authorized dealer for Aqua Lung (US Divers), Apeks, and Mares scuba diving equipment; as well as many other scuba product lines. Whatever your scuba diving needs, Sea Level Diving can service them. 

Visit our state of the art facility with indoor pool

Sea Level Diving is proud to be one of the few dive shops in the country with an on-site, indoor pool.  

Benefits of an on-site pool: 

  • Pool temperature is 90º for your comfort.
  • Pool training is split over two days for a better learning experience.
  • Small class size, 6 students maximum. 
  • Your class will have exclusive use of the pool, not shared with noisy groups.
  • You can try new equipment before you purchase it.
  • You don't have to haul equipment to an off-site pool.
  • Rent pool time to practice.
  • Convenient course schedules.
  • Private and semi-private classes.

With classrooms and indoor pool on-site, as well as the open water training dive site adjacent to our location, No one makes earning your scuba certification easier and more convenient than Sea Level Diving. Start your course today!

Scuba Courses

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Try Scuba Course

Try Scuba Course

Enroll in this class if you're a little apprehensive and would like to try scuba before you take the full certification course.

Learn To Scuba

Open Water Scuba Course

This is the course you need to take if you would like to become a certified scuba diver.

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Specialty Courses

Continuing Education

Courses specializing in a specific activity while diving such as underwater photography.

Refresher Course

Scuba Skills Update

Enroll in this class if you have not been diving in more than 6 months and need to refresh your scuba skills.

Professional Courses

Professional Course

Take a look at these courses if you're interested in becoming a Dive Master, Assistant Instructor or a Scuba Instructor.

Technical Courses

Extended Range Courses

SSI’s Extended Range programs provide avid divers with the training they need to experience the excitement of tec diving.

Scuba Courses

Try Scuba Course

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Learn To Scuba

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Specialty Courses

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Refresher Course

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Professional Courses

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Technical Courses

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SSI Instructor Training Center
SSI Diamond Training Center
SSI Instructor Training Center

What Our Customers Have To Say About Us

If you need rental equipment for your dive trip, rent it from someone you trust; rent it from Sea Level Diving!

Sea Level Diving On YouTube

Join Us On Facebook

Store Hours

Monday 10 AM - 7 PM
Tuesday 10 AM - 7 PM
Wednesday Closed
Thursday 10 AM - 7 PM
Friday 10 AM - 7 PM
Saturday 9 AM - 5 PM
Sunday Closed

 

Contact Information

Sea Level Diving
269 Liberty Rd
Crystal Lake, IL 60014
Phone: 815-479-0996
Email: sealevel@sealeveldiving.com

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