Intro to Scuba Diving Experience - Have you ever wondered what it’s like to breathe underwater. If you want to find out but aren’t quite ready to take the plunge into certification course, Intro to Scuba Diving will let you try the adventure to see if you like it. Most dive shops offer a version of this program, eithe in a pool or other body of water. You might try it close to home or while you’re on vacation.