Original sentence: Mason's Island (Algonquin: Chippachaug - meaning: a separated place) is an inhabited island at the mouth of the Mystic River, in Stonington, Connecticut.Since then the Allyn family have been stewards of it, and most of the island is owned by the Mason's Island Company and regulated by property deeds under the Mason's Island Property Owners Association (MIPOA).The island is approximately  in area overall, being  in length north-south and  in width east-west and is formed by solid granite bedrock.This island remained in the Mason family for over 250 years, from 1651 to 1913
Edited sentence: Mason's Island (Algonquin: Chippachaug - meaning: a separated place); an inhabited island at the mouth of the Mystic River, in Stonington, Connecticut.Since then the Allyn family have been stewards of this special place and most of the island is owned by the Mason's Island Company and regulated by property deeds under the Mason's Island Property Owners Association (MIPOA).The island is approximately 600 acres in area overall, being 1.2 miles (2 km) in length North-South and 0.8 miles (1.2 km) in width East-West and is formed by solid granite bedrock.This island remained in the Mason family for over 250 years from 1651 to 1913