Carderock Springs Citizens' Association (CSCA) - over 400 homes in the Carderock Springs neighborhood, info on architectural covenants http://carderocksprings.net/
www.Carderock.info Neighborhood portal website uniting Citizens' Association and Swim Club.
County Government:
Building Permit info - search for permits and their status for any Montgomery County property address
Citizen Portal for property taxes, maps, Wi-Fi hotspots, recycling, library book renewal, traffic cameras, and more !
Montgomery County's Home Page
Email list for neighborhood and club members:
Join CS-Chat by emailing your name and street address (and club membership number if you live outside the neighborhood or adjoining streets). CS-Chat is a Yahoo Group for neighbors to communicate about club events, neighborhood issues, yard sales, lost dogs, whatever.
Food:
Bethesda Food Coop, 6500 Seven Locks Road, Cabin John, MD
Fresh and Local CSA delivering organic food to Carderock
Chili Cook-Off Winning Recipes: Carderock Fun Fest 2009 Winners and their recipes 
Green Neighbors: an evolving group of Maryland residents focused on local solutions to environmental problems and the greening of our Potomac River neighborhoods.
Libraries:
Davis Library
Potomac Library
News about Carderock Neighborhood:
Washington Post, 2/11/2012 "For owners of ’60s-era Carderock Springs house, renovation ordeal was worth it"
Magazine, Fall 2009: The Newly Historic Ranch Houses
Washington Post, 3/25/2006 "Woodsy Worlds Away From the City - Homes' Big Windows Bring the Outside In"
Washington Post, 3/17/2001 "Getting Into the Swim of Things"
Neighbors who have websites for their small business:
Carnemark Systems + Design designs and renovates homes
Potomac Paddlesports teaches kayaking to teens and adults
Realtors who live in the neighborhood:
Theres Kellerman, W.C. and A.N. Miller
Mary Lou Shannon, Long and Foster
Schools:
Carderock Springs Elementary School - completely rebuilt & brand new in 2010
Pyle Middle School
Walt Whitman High School
Swim Links:
Montgomery County Swim League (MCSL)
2006 Results from MCSL Swim Meets
2005 Results from MCSL Swim Meets
Techniques to Improve Your Swimming -
These inspiring videos last about 2 minutes each:
Backstroke (modem, 56K)
Backstroke (broadband, 256K)
Trivia Questions and Answers about Carderock