Discovery Harbour is an unincorporated community and census-designated place on the island of Hawaii in Hawaii County, Hawaii, United States.

The community is located near the island's southern tip, south of Hawaii Route 11.

It is the southernmost populated place in the 50 states of the U.S., surpassing Naalehu by 5.4 miles (8.7 km).

According to the U.S. Census Bureau, the community has an area of 3.559 square miles (9.22 km2), all of it land.

This Hawaiʻi state location article is a stub.