Otter Rock is an unincorporated community in Lincoln County, Oregon, United States. It is located on U.S. Route 101 on the Oregon Coast.Otter Rock post office was established in 1913, and it takes its name from a rock located about ⁄2 mile offshore and 3.25 miles north of Yaquina Head. Sea otters formerly lived around the rock.Devils Punch Bowl State Natural Area is located in Otter Rock.The community's ZIP Code is 97369.This region experiences warm and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, Otter Rock has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.