Assertion: island's area | /r/HasProperty | 15.0 square miles
Facets:
Source sentences:
text: According to the United States Census Bureau, Shelter Island has a total area of 27.1 square miles (70.2 km2), of which 12.1 square miles (31.4 km2) is land and 15.0 square miles (38.7 km2) (55.20%) is water.