Step one is the beginning of the PADI dive ladder. The PADI Open Water Course. “I remember doing this course and being so excited to learn about all the equipment and practicing my buoyancy. Who doesn’t want to feel like they’re flying? Nowadays you can do the E-learning in advance, instead of a book and just need 2 days for the practical part. After that you can dive independently, with a buddy, up to 18m/60ft.