SDI ONLINE OPEN WATER COURSE $60.00–$189.00 MSRP: $119.95 Please note: The code is for the online course only. It does not include time with an instructor, pool time or Open Water certification dives. Please add pool and lake training options below if you are in the Arizona area. . After purchasing the code, we will verify your purchase and send your code within 24 hours. You can then visit https://www.tdisdi.com/elearning-signup-checkout where you can begin your education into the world of scuba diving! If signing up for the pool and or the lake dives and you are in the Mesa, Arizona area, please view our calendar for possible dates for training.