Eastern College Athletic Conference

The Eastern College Athletic Conference was the umbrella for multiple different conference divisions all across the east coast from the early 1980s to early 1990s. The ECAC consisted of over 200 schools at its peak across multiple divisions.

ECAC Diamond Conference

• Brooklyn College, The City University of New York 1987-1991
• Central Connecticut State University 1993-1994
• C.W. Post 1987-1991, 1993-1994
• Hofstra University 1993-1994
• New York Institute of Technology 1987-1991, 1993-1994
• Pace University 1987-1991, 1993-1994
• West Chester University of Pennsylvania 1987-1991, 1993-1994

ECAC New England Conference

• Boston College 1983-1984
• Central Connecticut State University 1987-1989
• University of Connecticut 1981-1984
• Fairfield University 1981
• University of Hartford 1986-1989
• College of the Holy Cross 1983
• University of Maine 1981-1989
• University of Massachusetts Amherst 1983
• University of New Hampshire 1981-1989
• Northeastern University 1982-1989
• Siena College 1985-1986
• University of Vermont 1981-1989

ECAC Upstate New York Conference

• University at Buffalo, The State University of New York 1985-1987
• Canisius University 1985-1989
• Colgate University 1986-1989
• Le Moyne College 1988-1989
• Niagara University 1985-1989
• Robert Morris University 1985
• Siena College 1987-1989
• Utica College, 1985-1988

ECAC South Conference

• American University 1983-1985
• University of Baltimore 1981-1983
• Catholic University of America 1980-1982
• East Carolina University 1982-1985
• George Mason University 1980-1985
• Georgetown University 1982-1984
• James Madison University 1980-1985
• Old Dominion University 1980-1982
• University of Richmond 1980-1982
• Robert Morris University 1981-1984
• Towson State University 1980-1982
• University of North Carolina at Wilmington 1985
• Villanova University 1980-1984
• College of William and Mary 1980-1985