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Scuba certification near Philadelphia

Learn to scuba dive.

Get started with instructors who take time for your questions and want you to understand what you’re doing. Choose a first pool experience or start working toward your scuba certification.

Choose your starting point

Start where you feel comfortable.

Try a pool session or start working toward your certification.

Optional first experience

Try SCUBA

Take your first breaths underwater with a Dive Professional beside you. No experience needed.

All required SCUBA and snorkeling equipment is provided.

$75Pool introduction onlyNov 16, 2026Pool location varies by date

$75 credit toward SCUBA Diver when you register within 30 days after completing Try SCUBA.

Dates & details
Your certification

Learn, practice, then dive.

Book Parts 1 & 2 together, then Part 3 separately.

Parts 1 & 2

Online learning & pool training

Learn online, then practice in the pool with your instructor.

New dates are being planned.

Get new dates by email

One email with dates and pricing.

Confirm by email. Your address is removed after delivery. Cancel anytime; requests expire after 12 months.

Part 3

Open-water certification dives

Complete four instructor-led dives and the required skills to earn your certification.

$325Part 3 onlyNov 14, 2026–Nov 15, 2026Local dive site
View certification dives

Confirm readiness with your instructor before booking Part 3. Trained elsewhere? Check with us first.

Prices cover the part shown. Check course details for gear and site fees.

Explore private training

Learn with people who take the time.

Small classes and a high ratio of Dive Professionals to students give you individual attention. Your instructors and assistants can watch you practice, answer questions and work through skills with you.

We teach thinking divers. You’ll learn why a skill matters and show you can apply it, including planning a dive and working with a buddy. When your course includes video feedback, you can review your technique with your instructor.

Meet the dive team
A student and Dive Professional practicing scuba skills in a pool
★★★★★Excerpt from a Google review

“They were incredibly patient, professional, thorough, and were a lot of fun to learn from. I feel confident and prepared to dive on my upcoming trip in the Caribbean, and look forward to future dives with Underwater World again.”

Alan BerlinRead Google reviews

Questions before your first course

Do I need Try SCUBA before getting certified?

No. Try SCUBA is optional. You can start directly with online learning and pool training, Parts 1 & 2.

How old do I need to be to get certified?

UWW minimum age is 11 for Parts 1 & 2 and 12 for local open-water certification dives. Some courses have a higher minimum age; check the requirements for your chosen class.

How much does scuba certification cost?

From January 1, 2027, Parts 1 & 2 cost $495 on weekdays or $545 in the weekend format. Local Open Water Certification Dives, Part 3, cost $375, making the combined tuition $870 or $920. Courses held in 2026 retain their listed 2026 tuition. Required learning, pool training and SCUBA equipment rental are included. Personal mask, fins, snorkel and dive-site admission are extra.

How long does certification take?

Timing depends on the season, location and course format. Weekly academic and pool courses run for about six weeks; weekend formats are also available, usually in summer. Open-water certification dives, Part 3, are booked separately. Across Parts 1, 2 and 3 combined, you receive at least 17 hours of training, including at least 10 hours in the water. We do not rush your training.

Who can join Try SCUBA?

Minimum age 10. No prior certification required. Participants must be comfortable in the water and demonstrate basic swimming ability. Ages 10–12 require a parent or guardian to participate; ages 13–15 require a parent or guardian to remain poolside or participate.

What equipment do I need?

For Try SCUBA: All required SCUBA and snorkeling equipment is provided. For certification, you need your own mask, fins and snorkel; SCUBA equipment rental is included. Students receive 25% off UWW personal-fit packages.

Can I complete my open-water dives on vacation?

Yes. Complete your eLearning, lectures and pool training with us, then finish your certification dives at your destination. A Universal Referral costs $50 for processing. The destination dive shop charges separately, and its requirements and terms apply.

Should I choose NAUI or SDI?

We offer both, with the same approach to training. Choose the course that fits your schedule unless you have an agency preference. Already have eLearning? Choose a course from the same agency.

Come in with your questions.

Visit us at 495 Easton Road in Horsham, PA. Tell us who the course is for, what you’d like to do and when you hope to dive. We’ll talk through your first step.