Mason Dixon Paso Fino Horse Association
- Regional association for NJ, DE, PA, DC and WV. Events, shows, programs and newsletter.
- http://www.masondixonpfha.org/

Mid-Atlantic Women's Motorcycle Rally
- Annual rally held for the Susan G. Komen Breast Cancer Foundation. Women only, workshops, bike show, games, contests, parade, banquet.
- http://www.mawmr.org/

Mitsubishi Owners Association of the Mid Atlantic
- Mitsubishi community for owners and enthusiasts. Contains news, events and forum.
- http://mitsuoama.com/

Railfanning the B&O around Cumberland, MD
- Railfanning CSX (ex-B&O) around Cumberland, MD. Covers the Cumberland Subdivision to Brunswick, MD, the Keystone Subdivision to Connellsville, PA, and the Mountain Subdivision to Grafton, WV.
- http://mtnsub.org/

Delaware Valley Hosta Society
- Horticultural organization covering Delaware, Maryland, New Jersey and Pennsylvania. Includes event calendar, articles and photographs.
- http://www.dvhosta.org/

The Golf Guide
- Magazine published four times annually promoting the sport of golf. Find information about courses in PA, MD, VA and WV.
- http://golfguideinc.com/

Potomac Valley Swimming
- Governing body for competitive swimming in the metropolitan Washington, DC area. Includes news, forms, administration, meet schedules and results, log book, directions, coaches, records, time standards, team list and related links.
- http://www.pvswim.org/

Winners Circle Partners
- Offering thoroughbred horse racing partnerships / syndicates (claiming and yearling). Site includes information on the managing partner, trainers and partnership benefits.
- http://www.winnerscirclepartners.com/

Take Me Fishing
- Directory of charter fishing links in Maryland, Delaware, New Jersey, and Virginia.
- http://www.takemefishing.org/

Mid-Atlantic Cyclocross
- A comprehensive cyclocross racing calendar. Find news and events.
- http://www.midatlanticcross.info/

Nor'easter Magazine
- A free-distribution boating magazine. Articles, ads, staff biographies, tides and subscription information.
- http://www.noreastermagazine.com/

Mid-Atlantic African Violet Society
- Information and photos of conventions, several articles from their journal, and history of the society.
- http://www.maavs.org/

Penn-Jersey District of the American Rose Society
- Provides education on growing and enjoying roses. For rose growers in Pennsylvania and New Jersey.
- http://pjdistrictrose.org/

The Cruise In Page
- Information and pictures of Western New York and Pennsylvania cruise in's (gatherings by automobiles). Includes a schedule of meetings and events.
- http://www2.cecomet.net/btt/btt.htm

Wild Things To Do
- Outdoor recreation suggestions for Pennsylvania and nearby states, including bird watching, wildlife viewing, hiking, backpacking, paddling and astronomy. Features a calendar of events and a link to a wildlife webcam.
- http://www.wildthingstodo.com/

Potomac Cairn Terrier Club
- Dog club that holds matches and shows for Cain Terriors, along with welfare and rescue programs. Includes overview of programs, FAQs, news, events calendar, and contacts.
- http://www.potomacctc.org/

LocalAngler.TV
- Marine forecast, tidal charts, current and local weather forecast with regional fishing reports. Available for Delaware, Maryland, Virginia Coastal Communities.
- http://www.localangler.tv/

Cumberland Valley Youth Soccer League
- Provides youth soccer experiences for all levels of players for the I-81 corridor of Maryland, West Virginia and Southern Pennsylvania. Programs, schedules, results, and reporting forms.
- http://www.cvysl.com/

Mid Atlantic Koi Club
- An active and friendly club for people who are interested in the study and enjoyment of Koi, Goldfish and outdoor ponds. Includes index of all articles from newsletters and publications.
- http://www.makc.com/

RacePacket
- Event calendars and entry forms for Virginia, D.C., Maryland and Delaware races.
- http://www.racepacket.com/

Mid-Atlantic Soaring Association
- Promotes gliding and soaring out of two locations in Maryland and Pennsylvania. Includes information on flight training, club facilities, and a newsletter with flight stories.
- http://www.m-asa.org/