The South Portland Historical Society is a 501(c)(3) non-profit, public charity. The society is financially supported by its members who pay annual dues. Membership dues start at $25 for a family membership. To become a member fill out the membership application and mail or drop off to South Portland Historical Society at 55 Bug Light Park, South Portland, ME 04106. The society also accepts dues by PayPal or credit card payment. For more information, call 767-7299 or email email@example.com.