Dumdee Diving — Scuba Diving School in Bangkok, Thailand
SSI Certified · Bangkok, Thailand
Explore stunning
dive sites.
Dive together.
Explore beyond.
Discover Exceptional Diving Experiences — Professional Scuba Training, Tailored Diving Holidays & Expert Equipment Guidance in Thailand.
Dumdee Diving — Our Story
Founded in 2019, Dumdee Diving was established with a singular mission: to share the beauty and wonder of the underwater world. We specialize in comprehensive scuba diving instruction under the internationally recognized SSI curriculum, alongside organizing exciting and memorable diving trips. Over the years, we have welcomed more than 600 enthusiastic clients into our family, organizing an average of 20 diving trips each year — 15 domestic and 5 international. Our dedicated team of 15 rotating staff members ensures every trip benefits from a variety of expertise and a consistently high level of service. We have ventured to Indonesia, the Philippines, Malaysia, and Egypt, creating unforgettable memories and helping our clients discover spectacular underwater landscapes.
Choose Your Course
Browse our SSI certified courses and select the one that matches your goals and experience level.
Train with Experts
Learn from our experienced instructors through pool sessions in Bangkok and open water dives.
Dive the World
Join our diving trips to stunning destinations across Thailand and around the globe.
What We Do
From beginner courses to advanced certifications, diving holidays to equipment guidance — we cover every aspect of your diving journey.
Professional Scuba Training
Gain confidence and skills through comprehensive SSI courses designed for beginners to advanced divers. Learn to dive safely and enjoyably in stunning Thai waters.
Tailored Diving Holidays
Experience unforgettable diving trips to the best dive spots around the world. Carefully organized to showcase the best underwater sites while ensuring comfort and safety.
Expert Equipment Guidance
Receive personalized advice on the best gear and gear care, helping you dive with optimal equipment suited to your needs and skill level.
Top Diving Destination Guidance
From the Similans to the Red Sea, our team helps you choose the perfect destination based on your experience, interests, and the season.
Scuba Diving Courses & Pricing
SSI certified courses from beginner to advanced. All courses include professional instruction, equipment, and certification.
Try Scuba Course
- Guided dive excursions
- Equipment rental included
- Perfect for first-time divers
- Pool training session in Bangkok
Open Water Course
- E-learning materials
- Full equipment for pool & open water
- Free diving insurance during course
- Boat fees for 2 days of open water dives
- National park fees included
- Transportation from Bangkok to Samaesarn
- Accommodation in Samaesarn
Advanced Open Water Course
- E-learning materials
- Special trip and course fee integration
- Instructor supervision throughout
- 5 specialty subjects in the course
React Right Course
- Emergency response training
- Guided dive excursions
- Equipment rental discounts
- Available for Thai residents
Deep Diving Course
- E-learning materials
- 4 open water dives at SamaeSarn
- Boat fees for 2 days (including lunch)
- Transportation from Bangkok to Samaesarn
- Accommodation in Samaesarn
Nitrox Course
- E-learning materials
- Special price with Advanced Open Water
- Instructor supervision throughout
- Free Nitrox tank included
Equipment Consultation
Not sure what gear you need? Our experts provide personalized consultations to help you choose the right equipment for your diving style and budget.
Upcoming Diving Adventures
Join our scheduled diving trips to breathtaking destinations. From local Thai waters to international expeditions — there's an adventure for every diver.
20261107 Koh Chang
20270224 North Andaman MV Scubanet
20270412 Malapascua Exotic Resort
20271013 Fuvahmulah Maldives
20271204 Puerto Galera
20280812 GALAPAGOS
Meet the team
Meet the expert divers and instructors who make Dumdee Diving exceptional.
Jane
Lead Diving Instructor
"Honestly, I'm only willing to wake up before noon on vacation if the sea view is absolutely drop-dead gorgeous. It's the only acceptable bribe."
Mod
Security Instructor
"I love teaching diving because I get to see people push past their fears and grow more confident with every dive."
Ken
Dive Instructor
"I love visiting new destinations! Going places I've never been, and then seeing that stunning world beneath the surface? It makes me want to keep searching for more adventure!"
Nett
Dive Instructor
"Being beneath the waves is the most tranquil time. I get to just focus on my breathing and see the incredibly cute world under the sea, particularly the tiny little sea slugs!"
Mdouble
Dive Instructor
"If you need me, I'll be in the deep, dark ocean, hanging out with the nocturnal creatures. Come join the dark side!"
James
Dive Master
"Diving into the ocean is like unlocking a real-life treasure chest of 'Woah!' moments. I live for those underwater plot twists."
Bank
Dive Master
"I love to scuba dive because no one ever listens to me on land, so I go tell all my stories to the coral instead."
Russ
Dive Master
"Exploring beneath the surface reveals breathtaking marine life and hidden landscapes. This journey transforms me, fostering discipline and care for safe, enjoyable dives."
Sugar
Dive Leader
"Diving allows me to escape the daily grind and immerse myself in the beauty of the marine world. It inspires me to be a better steward of the ocean."
Note
Dive Leader
"Born to dive, forced to work."
Malt
Junior Dive Master
"My escape to another peaceful world. Every descent unveils the ocean's vast beauty and connects me with amazing new friends."
Book
Junior Dive Master
"I dive to remember how small we are — to learn patience, respect, and stillness. The ocean humbles me every time."
Pim
Junior Dive Master
"Stepping beneath the surface feels like entering a peaceful, hidden world. Every dive fosters discipline and connects me with incredible friends."
What our divers say
Hear from our divers about their unforgettable journeys and experiences with Dumdee Diving.
Dumdee Diving is great. Amazing training at pool in Bangkok followed by 2 days at sea at Samesan. The team helped me through every stage to get my diving qualification. The trainers spoke fluent English and were very welcoming, introducing me to the rest of the Thai divers. Easy to make friends and get to know new divers.
I was new to Scuba Diving which was a bit nervous for me at first but the staff here are amazing. They are well-planned and well-educated especially for security over and underwater. At the end I found it comfortable to learn and take the test, both for open water and advanced open water. Would definitely recommend making time for a trip with this school.
The instructors are so knowledgeable and the trips are so much fun! It really feels like one big family. The atmosphere is super friendly and relaxed, and I always feel completely safe and worry-free underwater. The instructors and staff take such amazing care of everyone, no matter their skill level. Dumdee is truly more than just a dive shop!
Adventures captured beneath the surface
Follow us on Instagram for more information on upcoming trips and courses.
Frequently asked questions
Find answers to all your scuba diving questions, from training to travel.
We provide SSI certified courses tailored to beginners, ensuring safe and comprehensive training from pool sessions to open water dives.
Yes, we arrange customized diving holidays across Thailand's most stunning underwater locations and international destinations like the Philippines, Maldives, Egypt, and more.
Our experts offer personalized advice on selecting gear that suits your skill level and diving goals. We also provide equipment consultation services.
Simply contact us via WhatsApp, LINE, or our website to reserve your spot and get started on your diving adventure.
Just your swimsuit, towel, and a sense of adventure! We handle the rest — including gear and snacks.
Yes! Rent or buy from our full selection. We'll help you find the right fit for your next dive.
Safety first, always. We follow strict SSI standards and provide top-notch gear for a worry-free dive experience.
Get in touch
Connect with Dumdee Diving's expert team to plan your perfect diving experience in Thailand.