It will change you forever. In the PADI Open Water Diver course, your PADI Instructor takes you through the basics of learning how to scuba dive. You start in a pool or pool-like conditions and progress to the open water (ocean, lake, quarry, etc.) getting the background knowledge along the way. Course Title: PADI Open Water Diver. Who Should Attend: Individuals who want to receive a certification card to go recreational scuba diving. Course Cost: $179 for Open Water Course (Classroom and Confined Water Pool sessions). Group Discounts: $159 per person for 2 people or more. To receive group discounts individuals must register at the same time.