Explore Sihanoukville

This course teaches you how to plan and safely complete dives to depths between 18 and 40 meters (roughly 60–130 feet), through a mix of academic sessions and open water dives.PrerequisitesMinimum age: 15Must hold an SSI Open Water Diver certification or equivalent from another recognized agencyA medical questionnaire — with doctor's clearance required if you answer "yes" to any questionEnriched Air Nitrox certification is often recommended (not always mandatory) alongside or before this course, since it helps manage no-decompression limits at depthWhat It CoversDive planning — using dive computers and gas consumption calculations to plan and execute deep divesNitrogen narcosis — recognizing and managing its effects at depthDecompression sickness risk and how to avoid itGas management — monitoring air/gas levels carefully since consumption increases significantly at depthSafety stops and controlled ascents/descentsPractical skills like using a Surface Marker Buoy (SMB), backup air sources, and dive lights are often part of the required gearFormat1 classroom/academic session (theory can often be completed online beforehand)Optional pool/confined water session (instructor's discretion, often used to review basic skills)3 open water training dives, progressively deeper — commonly structured as one dive past 60ft, one past 80–100ft, and a final dive toward the 130ft maxTypically completable in 2 days, roughly 6–10 hours totalWhy It MattersOpens up access to deeper, more advanced dive sites and wrecksIt's a prerequisite for some advanced/technical training — for example, it's required before moving into SSI's Decompression Diving Specialty, and similarly required as a stepping stone toward technical diving. 

The Divemaster program is the first step on an exciting journey. Earn the respect of your dive buddies and become an ambassador for diving by taking the Divemaster program. All you need to get started are 60 verified/logged dives and certifications in Deep Diving, Navigation, Night & Limited Visibility or at least 5 logged/verified dives experience in each area plus Diver Stress & Rescue. You will be certified as a Dive Guide after successfully completing the Divemaster program. When your interest is to turn your passion into a profession by guiding certified divers, teaching Ecology programs, assisting instructors or even becoming an instructor yourself, your next step is the Divemaster Upgrade with a minimum of 60 logged/verified. Upgrade to Divemaster right away or any time after by self-studying the Science of Diving materials, passing the Digital Final Exam which makes you an SSI Professional.

The Divemaster program is the first step on an exciting journey. Earn the respect of your dive buddies and become an ambassador for diving by taking the Divemaster program. All you need to get started are 60 verified/logged dives and certifications in Deep Diving, Navigation, Night & Limited Visibility or at least 5 logged/verified dives experience in each area plus Diver Stress & Rescue. You will be certified as a Dive Guide after successfully completing the Divemaster program. When your interest is to turn your passion into a profession by guiding certified divers, teaching Ecology programs, assisting instructors or even becoming an instructor yourself, your next step is the Divemaster Upgrade with a minimum of 60 logged/verified. Upgrade to Divemaster right away or any time after by self-studying the Science of Diving materials, passing the Digital Final Exam which makes you an SSI Professional.

Synchronized mass coral reef spawning has been observed for the first time in Cambodian waters by Fauna & Flora and their in-country partners and Bubbles Up Dive Center. This discovery marks a significant record for Cambodia's marine ecosystem, demonstrating the health of its coral despite environmental challenges. such as warmer waters due to climate change.  Every year during this event Bubbles Up Dive Center collaborates with several local NGO's to collect coral spawning data.