South Hero Island was originally founded in 1779. The land had been a reward to Ethan and Ira Allen for their service to the state. Originally known as Two Heroâ€, the two towns became North Hero and South Hero in 1788. South Hero is a part of the Grand Isle County, Grand Isle it is the town’s northern neighbor. Today, the island of South Hero is often used for agriculture and apple orchards. This area is a very popular destination during the Summer months in Vermont.