Check out all the great stuff we've added to the store!



Discover Scuba Diving Have you ever wondered what it's like to breathe underwater? If you want to find out but aren't quite ready to take the plunge into a certification course, Discover Scuba Diving will let you try out Scuba Diving in a controlled environment!  Our Discover classes typically run once a month on Satrudays d... Find Out More

PADI Open Water Diver If you've always wanted to take scuba diving lessons, experience unparalled adventure and see the world beneath the waves, this is where it starts!  Get your scuba diving certification with the PADI Open Water Diver Course.  Millions of people have learned to scuba dive and gone on to discover the wonders... Find Out More

PADI Advanced Open Water You don't have to be "advanced" to take the Advanced Open Water Diver course - but it is designed to advance your diving skills, so you can start right after earning your PADI Open Diver certificaiton.  The PADI Advanced Open Water Diver course is meant to develop your skills underwater while gi... Find Out More

PADI Adventure Diver Course One of PADI's newest certifications, Adventure Diver means just that! If you're not sure about investing the time in a full Advanced Open Water Diver class, you now have the option of doing only three dives.     Find Out More

PADI Rescue Diver   Scuba divers describe the PADI Rescue Diver course as the most challenging, yet most rewarding course they’ve ever taken. Why? Because you learn to prevent and manage problems in the water, and become more confident in your skills as a diver, knowing that you can help others if needed. During the course... Find Out More

Open Water Training Dives Sign up here to reserve your spot for your Open Water training dives to complete your Open Water Scuba certification.  You need to have completed your Open Water e-learing and pool sessions WITH The Underwater Connection before completing your open water training dives.  If you have NOT completed your... Find Out More

PADI Scuba ReActivate   Why ReActivate? Your PADI certification never expires; but if you haven't been diving in a while, it's better to be over-prepared than risk a problem because you forget something important. Dive centers also appreciate seeing a recent ReActivated date on your certification card.   About ... Find Out More

Scuba Refresher While your PADI Open Water Certification doesn't expire, it's good to have a refresher if you've been out of the water for 1-2 years.  The Refresher program is a chance for recently active divers to get back underwater with one of our instructional staff.     Been out of the water ... Find Out More

Specialty Courses

Boat Diver Learn proper boat diving etiquette and various entries and exit techniques.  Find Out More

PADI Enriched Air Nitrox Want more bottom time?  Are you tired of being tired after diving?  Well, we have a solution!  For the past several years, "nitrox" has been the big buzzword in the diving community.  The PADI Enriched Air Diver Course is PADI's more popular special scuba course.  Don't h... Find Out More

Emergency First Response Emergency First Response is a new, comprehensive and innovative CPR and first aid program that is comprised of three courses, which may be taken together or alone,... Find Out More

Peak Performance Buoyancy A little heavy on your dives...or a little light and the end? Do you wear the proper amount of weight for your exposure suit? Are you getting into photography or wreck diving? then taking this course will greatly improve your diving skill set. Find Out More

Drysuit Diver Unlike wetsuits, drysuits are filled with air. During your drysuit course, your instructor will teach you how to control the air in your drysuit along with your buoyancy. You'll also learn about different types of drysuits, basic drysuit repairs and maintenance. Find Out More

PADI/DAN Oxygen First Aid for Scuba Divers Find Out More

Ice Diver Looking for something to do during the long Wisconsin winter? Come check out what's going on under the ice with the PADI Ice Diver course! Earn one of PADI's more unique specialities and see what it's like to dive with a ceiling of ice above your head. Ice diving is one of the most adventurous scuba sp... Find Out More

Instructor Training

PADI Divemaster   Love scuba diving? Want to share it with others on a whole new level? Take the PADI Divemaster course and do what you love to do as a career. Scuba divers look up to divemasters because they are leaders who mentor and motivate others. As a divemaster, you not only get to dive a lot, but also experience the jo... Find Out More

PADI Instructor Development Course PADI Instructor Development Courses (IDCs) prepare candidates to function as PADI Assistant Instructors and Open Water Scuba Instructors. Candidates build on their instructor-level dive theory knowledge, role-model watermanship and rescue skills, and leadership abilities by learning how to teach in confined water, in t... Find Out More

Snorkeling and Kids Scuba

Snorkeling For ALL ages! Let us introduce you to the wonders of the underwater world through a Snorkeling Program! Find Out More

PADI Bubblemaker  Introduce kids as young as 8 years old to the wonders of scuba diving! During the PADI Bubblemaker Program, kids will have the chance to see what it is like to breathe underwater just like Mom and Dad. Find Out More

PADI Junior Open Water Diver Course If you've always wanted to learn how to scuba dive, discover new adventures or simply see the wonderous world beneath the waves, this is where it starts. The PADI Open Water Diver course is the world's most popular scuba course, and has introduced millions of people to the adventurous diving lifestyle. Find Out More

Tech Diving

TDI/SDI Technical Diving Courses

Advanced Nitrox The objective of this course is to train divers in the benefits, hazards and proper procedures for utilizing EANx21 through EANx100 for dives not requiring staged decompression (Decompression techniques may be combined with this course). The TDI Advanced Nitrox Program is not for everyone....we do not accept all ca... Find Out More

Decompression Procedures The objective of this course is to train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 150 feet. The most common equipment requirements, gear setups, decompression techniques and decompression mixtures (including oxygen and nitrox) are presented. Find Out More

Solo Diver We realize that many divers dive by themselves, but this in no way makes them "solo divers". They are neither trained nor knowledgable in the hazards to which they may be exposing themselves. The SDI Solo Diving course examines the benefits, hazards, and proper procedures for planning and conducting solo dive... Find Out More

Tri-Mix Course Minimum certification level of Advanced Nitrox & Decompression Procedures (or equivalent), 18 years old or older, 100 logged dives. Find Out More

DSAT Technical Diving Courses

Tec 40 The entry point into the technical range provides a transition from recreational to tech. The diver is qualified to complete up to 10 minutes of non-accelerated decompression while breathing from one deco cylinder of up to EANx50, Find Out More

Tec 45 The diver now wears the full standardized tech rig, plus one deco cylinder. The diver is qualified to complete accelerated decompression dives using any mix of EANx or oxygen. Find Out More

Tec 50 This qualification represents a high level of competency for a technical diver. The diver is qualified to use up to two deco cylinders utilizing air, EANx, and/or oxygen to make extended, accelerated decompression dives. Find Out More

Tec Trimix 65 A new intermediate certification between Tec 50 and Tec Trimix Diver. The diver is qualified to make multi-stop trimix decompression dives using EANx and oxygen for accelerated decompression. Divers use 18% or more oxygen as a bottom gas. Find Out More

Tec Trimix Diver A Tec Trimix diver is qualified to use air, EANx, oxygen and trimix for multiple stop decompression dives using two or more decompression gases (EANx and/or oxygen) to accelerate or add conservatism to decompression. Find Out More


Pumpkin Carving   Join the Underwater Connection to celebrate the Fall diving season with some Underwater Pumpkin Carving and a chance to share your favorite chili recipe with other divers. This is a fun event for divers of all experience levels, and wonderful way to socialize with your fellow divers. PLUS we will be holdi... Find Out More

Clean Up Dive Sign up to help out with our clean up dive at Pewaukee Lake! Find Out More