Lake Shore is a census-designated place (CDP) in Clark County, Washington, United States.

The community is bordered to the northwest by Felida, to the northeast by Salmon Creek, to the southeast by Hazel Dell, and to the south by the city of Vancouver.

According to the United States Census Bureau, the Lake Shore CDP has a total area of 1.64 square miles (4.25 km2), all of it land.

21.7% were of German, 11.9% English, 8.8% Irish, 6.8% Norwegian and 5.6% American ancestry according to Census 2000.

13.2% of all households were made up of individuals, and 5.0% had someone living alone who was 65 years of age or older.