Bailey Arboretum is a beautiful 42 acre property located on the North Shore of Long Island in Lattingtown, New York, situated on the estate of renowned horticulturist and philanthropist Frank Bailey. Bailey Arboretum is the only accredited arboretum on Long Island and in the New York Metropolitan area.

Bailey Arboretum is open to the public 7 days a week, year round. Community and educational programs are offered throughout the year. Bailey Arboretum provides visitors well marked trails, gardens and the freedom to stroll the beautiful grounds. We don't charge admission or parking fees so please come enjoy one of Long Island's most beautiful historical treasures.