NDK

Norrtelje Dykarklubb

Sportdykning

http://www.ssdf.se

http://www.dykarna.nu

http://www.sportdykare.se

http://www.scubaboard.com

http://www.thedecostop.com

http://www.rebreatherworld.com

Fridykning

http://www.ssdf.se

http://www.fridykning.se/

http://www.aida-international.org/

http://www.deeperblue.net/

UV-Rugby

http://www.ssdf.se

http://www.underwater-society.org/

http://en.wikipedia.org/wiki/Underwater_rugby