- 10K Swimming Marathon - Bejing - http://www.10kswim.com
- Sea Lice - Cause, Treatment, & Prevention http://www.fau.edu/safe/sea-lice.html
- Manhattan Island Foundation http://www.nyswim.org/
- Dolphin Club http://www.dolphinclub.org/
- The Channel Swimming Association
- CSA & BLDSA, Bryan Finlay's Marathon & Long Distance Swimming Website
- British Long Distance Swimming Association, BLDSA: main BLDSA website
- British Long Distance Swimming Association, BLDSA: supplementary BLDSA website
- OceanSwims.com
- CapeSwim.com: Open Water Swimming in Cape Town, South Africa
- FINA: The world governing body for swimming, diving, synchronized swimming, water polo and open water swimming plus masters competition in each of those sports.
- International Swimming Hall of Fame
- United States Swimming: The national governing body for swimming (collegiate/Olympic).
- United States Masters Swimming: The national governing body for Masters swimming.
- SwimGold: The Archives of United States Masters Swimming.
- SwimDoc: Keith Bell & Sandy Neilson-Bell's website for books & training.
- Swimming World Magazine
- NY Metropolitan Region's Triathlon Resource
- Swiss Swimming Federation: worldwide links, especially European.
- Masters Swimming: worldwide links, especially Spanish & Latino.
- Nederlands Open Water Website
- SwimNews Online
- Open Water Swims - Randy Nutt's Website
- SwimChat!
- Cyberdive
- Australian Diving
- Doc's Diving Medicine
- Swimming Index
- Swimming Science Journal
- Master Swim: Kevin Francis's Masters Swimming Website.
- Hypothermia
- Tampa Bay Marathon Swim
- Dover Museum's Website
- Catalina Channel Swimming Federation
- Ted Erickson's Swimming Dog Video Website
- http://www.ironmanlive.com/
- http://www.insidetriathlon.com/
- http://www.triathlete.com/
- Swim Ireland
- Leinster Swimming
- Channel Swimming & Piloting Federation
- Michael, Angela & Lance Oram's website