A list is provided of species of aquatic and semiaquatic Coleoptera and Heteroptera observed at the Huyck Preserve in Albany County, New York, United States during the summer of 2022. A total of 54 species of Heteroptera were recorded from 13 families, while 127 species of Coleoptera were recorded from 13 families. Two species of Dytiscidae are new state records for New York: Heterosternuta allegheniana (Matta & Wolfe) and Neoscutopterus hornii (Crotch). The occurrence of Hygrotus picatus (Kirby) and Merragata brunnea Drake in the state are clarified. The first specific records of four species of Corixidae previously reported to occur in New York are provided.