Certified
Open Water Diver
SSI Certification · Up to 18 m · Dive independently anywhere

The world's most popular diving certification
The SSI Open Water Diver is the most widely recognized diving certification worldwide. In just 3–4 days you will go from complete beginner to certified diver, able to explore the oceans to a depth of 18 metres.
The course combines online self-study, pool training and open-water dives in the Cozumel reef or Puerto Morelos. Once certified, your SSI card is recognized globally — you can dive anywhere in the world with any dive operator.
This is the full entry-level certification and the gateway to all advanced SSI programs.
What will you learn?
- Diving theory: physics, physiology, equipment and environment
- Dive planning and use of dive tables / dive computer
- Complete equipment assembly and pre-dive checks
- Buoyancy control, finning techniques and trim
- Emergency procedures: out-of-air situations, ascents
- 4 open-water dives with your instructor
- Underwater navigation basics
What's included?
Included
- SSI digital study materials
- Pool sessions with instructor
- 4 open-water dives
- Full equipment during the course
- SSI Open Water Diver digital certification
- Stamped logbook
Not included
- Underwater photography
- Hotel transfers
- National Park entry fee