Lappo is an island in the southern part of Åland’s easternmost municipality, Brändö. Lappo covers an area of 8 square kilometers, measuring 4,3 kilometers from north to south. The island has around 30 inhabitants year round and many more in the summer.
Lappo has a store with post office, library, guest harbour, museum, summer restaurant, pension, frisbeegolf course and hiking trail. From the village harbor Finvik there is a connection with M/S Frida II to neighboring island Asterholma and Asterholma holiday village.