If you've taken your Open Water Scuba Diver course and are now ready to expand your knowledge but would like to see what is out there first, then the SDI Advanced Adventure Diver course is for you! The SDI Advanced Adventure course will give you an overview of five different SDI specialties. Two of the required specialties are the Deep Diver and Navigation Diver specialties which are the foundation of continuing diver education. This is equivalent to the PADI advanced course. The remaining specialty dives you can opt for include: Advanced Buoyancy Control Altitude Diver Boat Diver Computer Nitrox Diver Drift Diver Marine Ecosystem Awareness Many more! Online E-learning is available for this class