The top 7 scuba diving organizations are PADI, CMAS, SSI, BSAC, SDI, NAUI, RAID. Discover in this article specific and relevant information about each one of them for this 2023.

Professional Association of Diving Instructors (PADI) – PADI is the undisputed leader in recreational scuba diving training. While statistics vary, it is estimated that PADI has certified between 60-75% of recreational scuba divers worldwide.

The Big Island of Hawaii has the best coral reef and the best visibility to see it. Islands like Maui have comparable reef but the visibility is so low it's diffucult to see in most places. Head from Maui to the back side of Lanai or Molokini Crater and the reef and visibility improve drastically.

Recommendations in choosing PADI vs SSI To summarize: Both PADI and SSI offer world-class diving training around the world. They both maintain high standards of practice across the globe. SSI is generally cheaper, so if you are looking for a lower price, you can do your SSI Open Water.