Sandpiper is a cozy oceanfront cottage on Cliff Island, one of the Calendar Islands in Casco Bay (Gulf of Maine, Atlantic Ocean), off the coast of Portland, Maine, USA. Accessible by ferry (Casco Bay Lines in Portland, Maine), water taxi, or boat. You’ll love our place because of the location, views, beaches, and lobster fresh off the boat. The cottage is great for couples, solo adventurers, and families. Explore sandy beaches and trails, or relax on the hammock with a book.