Dreyfoos has been a photographer since childhood and is known for his travel and underwater photos. In 2015 he compiled 587 of his favorites in the book "A Photographic Odyssey: Around the World with Alexander W. Dreyfoos" (ed. Lise M. Steinhauer), with proceeds supporting the Cultural Council of Palm Beach County (). In 2016 Dreyfoos commissioned his biography, "Alexander W. Dreyfoos: Passion & Purpose" by Lise M. Steinhauer and David Randal Allen, with proceeds to The Raymond F. Kravis Center for the Performing Arts, Inc. ().