Mission: Landmark on Main Street is the product of more than ten years of visionary planning and dedicated work by the citizens of Port Washington. It developed out a commitment to preserve an historic landmark, the Main Street School, and to enhance community life. A unique model of community development, Landmark is a collaboration of civic-minded individuals, government, business, and not-for-profit organizations all sharing the belief that a community's commitment to a richer cultural, recreational, civic, educational and social life and the celebration of diversity benefits the quality of life for all. (Less)

Landmark on Main Street is a 501(c)(3) organization, with an IRS ruling year of 1978, and donations are tax-deductible.