Giant Stride

Woman Dive Exit

Lake Diver


Diver signals 'OK'


Seattle / Tacoma Scuba Diving is FUN! TL Sea Diving is the most customer driven, professional scuba diving operators in the region.  We have been introducing the adventure and excitement of the undersea world for more than 28 years.

TL Sea Diving proudly holds the coveted rating of PADI 5-Star Instructor Development Course (IDC) Training Center.  We can get you started in your adventure and help you continue to explore new underwater challenges all the way up through  instructor certification.

Our continued success is attributed to providing our students with a safe & enjoyable experience, on-going education for our team and operating with the same values & integrity as day one.

Please take a moment to explore what TL Sea Diving has to offer.


We are confident ‘WE’LL CHANGE YOUR LIFE!’




Whether newly certified or new to us, you are welcome!

Taking a class? Going on a club dive? Need a guide? Planning your own dive?


Smiling diver


Divers preparing for club dive


Whether you diving with the club or taking one of our fun and educational courses, you can see our attention to detail, passion and appreciation for diving and the underwater world! Most people in the dive industry separate their dives into work dives or fun dives–we don’t! All of our dives are fun!



About Us



Fun picture of nudibranchs on a plant



Safe diving procedures, practices, and education are what TL Sea Diving is all about. Every diver or student that visits us is trained to  PADI standards. You become a lifelong member of the TL Sea Diving family. Together we share what we love and are passionate about–the ocean.

Enjoy small classes!  Use e-Learning to complete parts of your course on your own schedule. We spend more time in the water and have more fun!

Let us guide you on your underwater journey for Seattle / Tacoma scuba diving!






Mossy headed warbonnet

We are passionate about teaching scuba at a level that is fun, informative and safe. Our mission is to transform your adventure into a lifetime activity that will educate, inspire, and energize you unlike any other activity. We want to expose people to the amazing diversity of marine life in salt water while at the same time teaching divers about an environment that can benefit from their care – one dive at a time.

Come share our passion for scuba diving with TL Sea Diving!
We’ll Change Your Life!