Should You Get Your PADI Open Water Certification? (Everything You Need to Know)

PADI Open Water Certification

Should You Get Certified?
Yes. Here’s Why.

Every diver starts with one question. We’ve answered it 10,000 times. This is what we tell them.

The Question Every Future Diver Asks

You Already Know the Answer.
You Just Need the Confidence.

There’s a moment – usually somewhere between watching a nature documentary and scrolling through someone’s underwater photos – when the thought appears: I want to do that.

Then the doubts start. It looks expensive. Complicated. Maybe I’m not fit enough. Maybe I’m too old, too busy, or not a strong enough swimmer. Maybe it’s just not for someone like me.

Over 25 years and more than 10,000 students taught, NB Divers has heard every version of this hesitation. And every single time, the answer is the same: start sooner than you think you should.

The divers who waited a year almost always say the same thing: “I wish I’d started earlier.” Those who started? They’re already planning their next dive.

“I wish I had started sooner” – said by nearly every diver, after their first open water dive.

The Real Cost

Is Scuba Diving Only for the Wealthy?

This is the most common first concern. And it’s based on a misunderstanding of how the cost works.

The ocean is free. What you’re paying for is access – the equipment, the certification, and the training that keeps you safe inside it. Think of it like learning to drive: there’s an upfront cost that unlocks a lifetime of freedom.

The PADI Open Water Diver course – the global entry-level certification – gives you a credential recognised at dive sites in 183 countries. Once you hold it, you can rent equipment anywhere in the world. The certification itself never expires.

PADI eLearning

Online Theory First

Study at your own pace. The PADI knowledge component is available online – roughly 8 hours of digital learning you complete before you enter the water. No classroom schedule. No commute.

In-Water Training

Pool + Open Water

Confined water skills in a training pool, then 4 open water dives to verify what you’ve learned. Most people complete the in-water portion in 3–5 days – or spread it across several weekends.

What you’re really buying with a premium course is the quality of the experience – smaller class sizes, better equipment, instructors who have time for you. The difference between cheap and premium diving education isn’t the certification card at the end. It’s how confident you feel holding it.

The real question isn’t “Can I afford to start?”
It’s “Can I afford to wait another year before experiencing this?”

Safety First

Is Scuba Diving Safe?

Statistically, scuba diving is safer than many everyday activities – including driving. According to DAN (Divers Alert Network), serious diving incidents are rare and most occur when divers ignore training or dive beyond their certification level.

The PADI Open Water course is specifically designed with safety as its foundation. You learn buoyancy control, gas management, buddy procedures, and emergency protocols before you ever go beyond 12 metres. The system works – when it’s taught properly.

Not all dive education is equal. Here’s what to look for – and avoid:

  • Avoid: Centres advertising unusually low prices. Safety infrastructure (quality equipment, high instructor-to-student ratios, proper site management) costs money to maintain.
  • Avoid: 1-instructor, 8-student ratios. PADI standards limit Open Water to 8 students per instructor, but effective learning happens with much smaller groups.
  • Look for: Long operational history, PADI 5 Star or IDC status, and instructors whose full-time job is teaching diving – not a side project.

NB Divers has been teaching since 2000. With over 10,000 students certified and zero serious incidents, our record speaks for itself. Safety isn’t a selling point – it’s the minimum standard.

Time & Fitness

You Don’t Need to Be an Athlete.
You Need a Weekend.

The PADI Open Water course takes most people 3 to 5 days to complete. That’s a long weekend, or a few evenings plus one weekend if you spread it out.

8h
eLearning (self-paced online theory)
2–3
Pool sessions to build skills
4
Open water dives to certify

As for fitness: PADI requires that you can swim 200 metres unassisted and float for 10 minutes. That’s the full extent of the physical requirement. Scuba diving is, by design, a low-impact activity – buoyancy does most of the work. Children as young as 10 earn the Junior Open Water Diver certification. People in their 60s and 70s dive regularly.

The training schedule is adapted to the student, not the other way around. You don’t train to meet the course. The course is built around you.

Scuba diving was designed to be accessible. The ocean shouldn’t require a triathlete.

A Common Concern

What If I’m Not a Strong Swimmer?

You don’t need to be a swimmer to start. The PADI Open Water course requires only basic water comfort – not competitive swimming ability. The pool component of the course builds your confidence in the water progressively, and many students discover that the buoyancy provided by scuba equipment actually makes the water feel far more manageable than they expected.

If swimming is a real concern, we recommend one or two swim lessons beforehand – not because it’s required, but because being comfortable in water makes the learning experience better. Your progress in the pool is instructor-led and paced to your level.

NB Divers scuba diving instructor teaching in Seoul pool
NB Divers instructors work with each student’s level – no experience required to start.

Korea Context

Why Seoul Is One of the Best Places
to Start Your PADI Certification

Korea is not the first country people associate with scuba diving – and that’s exactly why starting here is an advantage. Fewer divers means better access to sites, more attentive training, and instructors who genuinely invest in each student.

Seoul has excellent deep training pools that allow confined water skills to be completed year-round, regardless of weather. The pools at NB Divers’ training facility are purpose-built for diving instruction – far superior to the shallow practice tanks common in tropical resort certifications.

Once certified, you have direct access to some of Asia’s most underexplored diving. The East Sea coast offers visibility up to 15 metres, dramatic underwater topography, and cold-water marine life you won’t find in warmer seas. Jeju Island delivers world-class diving with soft corals, rays, and occasional whale shark sightings. Korean haenyeo (women divers) have worked these waters for centuries – you’re entering a dive culture with deep roots.

For Expats in Korea

English-First Instruction

NB Divers teaches in English. All materials, briefings, and in-water communication are available in English. Many of our students are international residents using their time in Korea to earn a certification they’ll use around the world.

After Certification

Dive Korea First

Most dive courses take you to a warm-water site for your open water dives. We take our students into Korean waters – real conditions that build genuine skill and make you a better diver anywhere you go next.

Learn to dive in Korea, and you’ll dive with confidence everywhere. Explore Korea’s dive sites →

Why NB Divers

25 Years. 10,000+ Divers.
One Standard of Excellence.

NB Divers is a PADI Career Development Center – one of fewer than 30 facilities in all of Korea to hold this designation. Our founder, Charlie Jung, is a PADI Course Director: the highest level of PADI instructor qualification. He trains the instructors who teach the instructors.

We cap class sizes deliberately. We don’t offer the cheapest certification in Seoul – we offer the best. Our students dive with confidence because they were taught properly, not rushed through a qualification checklist.

“Diving is our culture.” That’s not a tagline. It’s the reason we built NB Divers the way we did – as a place where people don’t just learn to dive, but fall in love with it.

PADI certified divers group photo at NB Divers Seoul
Every class at NB Divers stays small – so every student gets the attention they deserve.

Ready to Start?

Your First Dive Is Closer Than You Think

We offer a free consultation before you commit to anything. Tell us where you are, what you’re hoping for – and we’ll tell you exactly what your path looks like.

Enquire Now – It’s Free

FAQ

Everything You Want to Know
Before You Decide

How long does it take to get PADI Open Water certified?
Most students complete the PADI Open Water Diver course in 3 to 5 days. The course has three components: eLearning (approximately 8 hours, self-paced online), confined water training (2–3 pool sessions), and 4 open water dives. You can complete this over a long weekend, or spread the sessions over several weeks to fit your schedule.
Do I need to know how to swim before taking a scuba diving course?
You need to be able to swim 200 metres unassisted and float or tread water for 10 minutes. You don’t need to be a competitive swimmer. Many students find that scuba equipment – which provides natural buoyancy – makes the water feel far more comfortable than swimming without it. If you’re nervous about water, a few swim lessons before starting will help.
Is PADI Open Water certification recognised worldwide?
Yes. PADI is the world’s largest recreational diving training organisation, and the Open Water Diver certification is accepted at dive sites in 183 countries. Once certified, you can rent equipment and join guided dives at any PADI-affiliated operator globally. The certification does not expire.
What depth can I dive to with a PADI Open Water certification?
PADI Open Water Divers are certified to dive to a maximum of 18 metres (60 feet). This depth covers the vast majority of recreational dive sites around the world – including most coral reefs, wrecks, and scenic underwater landscapes. The PADI Advanced Open Water course extends this limit to 30 metres.
What is the age requirement for PADI Open Water certification?
The minimum age for PADI Open Water Diver certification is 15. Students aged 10–14 can earn the Junior Open Water Diver certification, which allows diving to 12 metres with a PADI Professional or certified adult diver. There is no upper age limit. Many people begin diving in their 50s, 60s, and beyond.
Is Korea a good place to learn scuba diving?
Yes – and it’s underrated. Seoul has world-class training pools for confined water skills, and Korea has excellent dive sites within a few hours’ drive. The East Sea coast offers clear cold water with visibility up to 15 metres and dramatic marine life. Jeju Island delivers warm-water diving with soft corals and rays. For divers who train in Korea’s conditions, diving anywhere else in the world feels comparatively easy.
Can tourists and expats get PADI certified in South Korea?
Absolutely. NB Divers teaches PADI courses in English and welcomes international students – whether you’re an expat living in Seoul or a visitor spending time in Korea. Your PADI certification is issued globally and recognised worldwide, regardless of where you earn it. Many international students use their time in Seoul specifically to earn a certification they’ll use everywhere else they travel.
Do dive schools in Korea teach in English?
Not all dive schools in Korea offer English-language instruction, but NB Divers does. Our full PADI course curriculum – including eLearning materials, briefings, and in-water communication – is available in English. Our instructors are experienced with international students and adapt to each student’s communication needs.
What happens if I have health concerns – can I still learn to dive?
Most people in good general health can dive. The PADI enrollment process includes a medical questionnaire that screens for conditions where additional medical advice is recommended – conditions like asthma, diabetes, or recent surgery. If you have specific health questions, we recommend a consultation with your doctor before enrolling. NB Divers is happy to discuss your individual situation before you commit to a course.
Is Korea better to get certified than Thailand or the Philippines?
It depends what you’re optimising for. Thailand and the Philippines offer warm, clear water and convenient resort-style certification experiences. Korea offers something different: rigorous training conditions, colder water that builds real skill, and instructors who invest in long-term student development rather than mass certifications for tourists. Divers who certify in Korea consistently outperform their tropical-certified peers when they dive elsewhere. If you’re in Korea, certifying here is the right decision.
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