Scuba Certification & Dive Classes in Charlotte & Gastonia, NC
Get certified with Sink or Swim Scuba — serving Charlotte, Gastonia, Lake Norman, and Lake Wylie, plus surrounding communities across the greater Charlotte area. Flexible class schedules, expert instructors, and a clear step-by-step path from eLearning to open water.
New to Scuba? Learn to Dive in Charlotte →
Sink or Swim Scuba Named Best Dive Shop in the Charlotte Area for 2025
Recognized by the Elevate Lifestyle Best of the City Awards.
Welcome to Sink or Swim Scuba — SDI scuba training, gear, and service in Gastonia, serving the greater Charlotte area.
As an SDI 5-Star Instructor Training Facility, we deliver exceptional scuba experiences for all levels in our local area. Whether you're a beginner eager to explore the underwater world or a certified diver aiming for advanced certifications, our expert instructors provide personalized training to ensure your safety and confidence. We offer a full range of SDI courses, including:
- Beginner Scuba Diving Lessons: Discover Scuba Diving, Open Water Diver Certification
- Advanced Scuba Courses: Advanced Adventure Diver, Rescue Diver, Divemaster
- Technical Diving: Nitrox and Trimix fills, technical diving programs
- Professional Scuba Training: Instructor Development Courses
Veterans may be eligible to use GI Bill® benefits for select SDI scuba training programs — and our team is happy to help guide you through the process.
New to diving? Read our guides on how long it takes to get scuba certified and SDI vs PADI: which certification is right for you.
What Our Divers & Dive Teams Say
Rated 4.7★ on Google from 60+ reviews
“I absolutely love and respect everyone at Sink or Swim! They are very professional and friendly. My son did his 1st class at 9 years old and absolutely loved it — I couldn’t ask for a better team to teach him!”
Mindy Young
Local Guide, Google Review
“I would highly recommend this shop to divers of all skill levels. The owner was very knowledgeable, offered great advice, and worked endlessly to make sure I was satisfied. So many high-quality dive equipment options. Extremely satisfied!”
Malesha McVay
Google Review
“I can’t say enough good things about Brent and Sink or Swim Scuba. He helped me remotely — probably faster than I could get help locally — set up our OTS Guardian full-face masks and comms system. I wouldn’t consider Brent ‘just a vendor’; he’s part of our Dive Team.”
Britton Winter
Osage County Dive Team Leader
Some of our most popular courses:
Adventures:
4310K Wilkinson Blvd
Gastonia NC 28056 US