Portside Real Estate Group is an independently owned residential real estate brokerage based in Falmouth, Maine. Established in 2012, the company provides buyer and seller representation, new-construction advisory, and full-service marketing across Maine and New Hampshire. Portside operates multiple offices throughout the region, supporting agents who work in communities ranging from southern Maine to the Downeast coast. The firm emphasizes a local, boutique approach and invests in agent development through training, coaching, and mentorship programs. Portside is also recognized for its philanthropic initiatives, contributing funds to community organizations through structured giving programs. In recent years, the company expanded its presence through strategic acquisitions, including the addition of Swan Agency Real Estate in Bar Harbor, which introduced a hospitality-focused division serving lodging and inn properties.