Scuba Duba The best site on the internet for scuba. Why surf when you can dive right in?
Yahoo! - Recreation:Sports:Scuba If you want to dive into the web this is the place to start.
The Physics Gearbag Looking for information on diving physics? You will find it here.
Scuba Central The best information and links about scuba diving on the web. If you don't like the website taking over use this one.
Reefnet
FTP site to download scuba software.