BeachMap Open the map

Thompson Split

Thompson Split is a beach in Key Peninsula-Anderson Island, Washington.

Key Peninsula-Anderson Island, Washington · live parking & conditions · updated June 19, 2026

Conditions & tides

In a typical year August is the warmest month here, with highs near 80°F, and it's reliably beach weather July to August. Tap Thompson Split on the map for live surf, wind, water temperature, UV and tide times.

Open Thompson Split on the map →

Nearby beaches in Washington