Looking for a group closer to home? Find it here. I've broken this up into two sections. The first is web sites for groups in the Eastern time zone. The second is discussion groups (Mostly Yahoo) for groups in the Eastern Time Zone.
Maine Polyamory
Boston Polyamory
Family Tree Boston
Central New York Polyamory (Syracuse)
New York Capital District, Albany
Tri-State Poly (NY,NJ,CT)
New York City
Ohio Valley Polyamory Network
Susquehanna Valley Polyamory Network
Three Rivers Polyamory Network
D.C. Baltimore, CPN
Richmond Polyamory
Hampton Roads Polyamory
Triangle polyamory Network, North Carolina
Central Kentucky
Poly Southeast (Atlanta)
Poly Orlando
Brevard County Poly (FL)
Polyamory Florida
Poly Tampa
South Florida Poly
Poly Central Florida
Polyamory Yahoo Groups in the East
Boston Polyamory
Poly Boston (Yes, it is different than the one above.)
Western Mass
Connecticut Polyamory
Central New York Polyamory (Syracuse)
Rochester, New York
Western New York (Buffalo)
Hudson Valley (NY) Polyamory
Tri State Poly (NYC)
New York City Metro Poly
Polyamorous NYC (Geared towards the Lesbian, Gay, Bisexual & Transgendered communities)
NYC-GLBT Poly
Ohio Valley Poly
Bisexual Ohio Poly Pagans
Poly Central Ohio
Third Party, Ohio
Poly Columbus (OH)
Indiana
Fort Wayne, Indiana
Kentucky Polyamory Community
Central Kentucky
New Jersey
Philly Poly
Philly Polyamory Philadelphia
Philly Gay, Straight, Bi, Transgender Polyamory
CentralPenn-Interracial-Poly
Susquehanna Valley Polyamory Network (PA)
Three Rivers Polyamory Network (PA)
Chesapeake Polyamory Network DC, Baltimore, NoVA.
Hampton Roads Polyamory
Ha.R.P. Richmond Polyamory
Charlottesville Polyamory
Roanoke Polyamory
NC Poly
Asheville, NC Poly
Kentucky Polyamory
Polyamory Tennessee
Tennessee Polyamory
Poly South East (Atlanta)
Metro Atlanta Poly
South Georgia Polyamory (Albany)
Polyamory Georgia
Florida Poly
Poly Ocala
Polyamory Florida
Brevard Poly (FL)
Poly Central Florida (Orlando)
Poly Tampa
Gator Poly (Florida)
Panama City, FL