Post Washington Senior Centers Max Cunningham 2 years ago Port Washington Senior Citizens, Inc. Center 80 Manorhaven Blvd. Port Washington, NY, 11050 Phone: 516-883-6656Support local journalism by subscribing to your Blank Slate Media community newspaper for just $50 a year. Port Washington Senior Community Service Center 9 Carlton Ave. Port Washington, NY, 11050 Phone: 516-944-9654