- Take the Shelter Island ferry boat to Georgiana B. Ketcham, Licensed Real Estate Broker, representing many fine properties on Shelter Island, the 'Un-hampton'. Properties for sale include waterfront, waterview, vacation homes, lots, building parcels, commercial properties, and bed and breakfasts. Summer rentals with beaches, pools, docks, air conditioning are available weekly, monthly or ...www.ketchamproperties.com