Environmentally-Focused Breath-Hold Diving
Ocean Encounters
http://OceanEncounters.net/
Underwater Photography
Photographer Frederic Buyle
http://www.nektos.net/
Photographer Dan Burton
http://www.underwaterimages.co.uk/
Reporting on our seas
Bottomfeeder
- a must-read
http://www.tarasgrescoe.com/
OceanicDreams - the blog
http://fleander.blogspot.com/
Freediving clubs & resources
Sea Hiker
http://www.seahiker.com/
Freediving Club (Greece)
http://www.freediving-club.gr
Club d'Apnée Sportive de Montréal (CASM)
http://www.casm.info/
Freediving Toronto
http://www.freedivetoronto.com/
Kykeion Diving
http://www.kykeion.com/
Freedive Central
http://www.freedivecentral.com/
Freediving Federations
AIDA Canada
http://www.aidacanada.org/
AIDA Switzerland - Swiss Underwater Sports Federation
http://www.susv.ch/
AIDA USA - United States Freediving Association
http://www.usfreediving.org/default.htm
AIDA International
http://www.aidainternational.org/