The SDI Divemaster Course is the first professional level certification. During the course you will learn how to work with divers, lead certified divers, and act as a dive guide showing divers underwater dive sites and the marine life that inhabits those dives sites. You will increase your knowledge about physics and physiology as well as increase your proficiency with your scuba and snorkeling skills.


Who this course is for

The advanced diver interested in working in the dive industry as a professional dive guide or moving on to become an instructor


Course Prerequisites

  • Minimum age 18
  • Certified SDI Advanced Diver or equivalent; advanced certification must include verifiable experience in deep, navigation, night, and limited visibility specialties
  • Certified SDI Rescue Diver or equivalent
  • Provide proof of current CPR, first aid and oxygen provider(where local law permits)*
  • Provided proof of at least 40 logged dives (see 3.11 for number of dives/hours required for graduation)
  • Course Standards & Procedures

*Note: SDI CPROX, CPR1st or CPROX1stAED courses may be combined with the SDI Divemaster program by qualified instructors

Scubapro Diver.jpg

What’s in it for you?
Upon successful completion of this course, graduates may:

  • Assist an active SDI Instructor during approved diving courses provided the activities are similar to the graduate’s prior training
  • Supervise and conduct dives for certified divers, provided the activities are similar to the graduate’s prior experience and training

What you can expect to learn

The SDI Divemaster Diver Course takes an in-depth look at all of the following and more:

  • SDI standards and procedures
  • History of SDI
  • Code of ethics and professionalism of an SDI Divemaster
  • Products and procedures
    • How to place an order
    • Yearly renewals
  • Liability and insurance
    • Risk management
    • Waivers and releases
    • Filling out an accident report
  • Knowledge Development
    • Equipment
    • Physics and physiology of diving
    • Medical problems related to diving
    • Use of dive computers and tables
    • Diving environment
    • Dive planning and dive management control
    • Problem solving
    • Underwater and surface communications
    • Diver assistance
    • Avoiding out of air and emergency situations
    • Recommended safe diving practices
    • Boat diving procedures
    • Shore/beach diving procedures
    • Night diving procedures
    • Accident management
    • Emergency procedures
  • Leadership development
    • Planning group dives
    • Divemaster check lists and logs

Some of the required skills you will have to demonstrate include:

  • 800 metre swim with mask, snorkel, and fins non-stop without the use of arms in less than 17 minutes
  • 400 metre swim on the surface, non-stop, any stroke, without the use of swimming aids, in less than 10 minutes; swim goggles permitted
  • Scuba skills – minimum equipment: all equipment required for a SDI Dive Leader
    • In water, transport another diver in full scuba equipment at a quick pace for 4 minutes
    • Demonstrate a complete rescue scenario satisfactorily
    • Perform underwater skills with and without a mask
    • Swim on the surface, in full scuba equipment, using the snorkel, 100 metres
  • Bring a diver, simulating unconsciousness, up from depth, not greater than 6 metres/20 feet; at the surface swim them 100 metres in less than 4 minutes
  • Confined water skills:
    • Preparation and planning
    • Briefing and debriefing
    • Group control
    • Problem recognition and solving
    • Diving equipment assembly and disassembly
    • Equipment inspection
    • Entries/exits
    • Proper weighting and buoyancy control
    • Snorkel and regulator clearing
    • Regulator recovery
    • Controlled descents and ascents
    • Underwater swimming
    • Mask clearing
    • Buddy system techniques
    • Weight system removal and replacement
    • Out-of-air emergency alternatives
    • Equipment care and maintenance


  • Satisfactorily complete the SDI Divemaster written examination, or online version with a minimum score of 80 percent and 100 percent remediation
  • Complete all water requirements
  • Demonstrate to an active SDI Instructor the ability to solve in-water and out-of-water diver problems
  • Demonstrate mature and sound judgment concerning dive planning and execution
  • Operate as a Divemaster in a wide variety of environments

Divemaster Course Costs to consider:

  • The Divemaster Course Cost: $600.00
  • SDI Online Divemaster Kit: $421.00
    • eLearning User Guide
    • SDI Logo Sticker
    • SDI Hat
    • SDI Patch
    • SDI/TDI/ERDI Professional Bag
    • SDI Dive Leader Record Folder
    • Rescue Diver Slate
    • SDI Divemaster Manual
    • SDI Divemaster Slate
    • SDI Divemaster KQ
    • US Navy Air Deco Table
    • Online Access Code
  • SDI Divemaster Registration Fee (Paid to SDI): $110.00
  • Aquatic Adventures provides a complementary swim pass for the lap pool during your candidacy if you need to practice your swimming. 
  • Divemaster candidates are to provide their own dive equipment and are required to have the following:
    • Mask, fins, and snorkel
    • Buoyancy compensator device (BCD) with a low-pressure power inflator
    • Regulator with submersible pressure gauge
      • If you are wearing an air integrated hose-less computer, you are not required to carry a submersible pressure gauge. 
    • Alternate air sources
    • Weight system
    • Personal dive computer
    • Exposure suit adequate for the training conditions
    • Compressed gas cylinder
    • Compass
    • Knife and rescue signal 
    • Tanks and weights will be provided by Aquatic Adventures Ohio during your training

If you would like to register for the next Divemaster course, we would invite you to a consultation with our current Staff Instructor to go over the details of the Divemaster course with you. During your consultation please bring all of your certification cards, your logbook and any information pertaining to your diving career. 

Please fill out the form below and we can get it scheduled for you. If you have any other questions please feel free to email Landen Stiverson at or give us a call at (614) 545-3483

Name *