An enchanted world within a world, St. Mary’s Island, is a rarified setting for extraordinary living. Comprising over five acres and accessed via a short causeway, St. Mary’s Island stands as one of the most unique and idyllic estate properties on Cape Cod. 

St. Mary’s Island

The location is unmatched, offering complete seclusion while in the heart of exclusive Osterville. The estate offers panoramic views of glittering North Bay and easy proximity to renowned village shops, restaurants, marinas and Wianno and Oyster Harbors clubs.

Accessed by a stone walkway, the 155-foot-long deep water dock serves as a gateway to Cape Cod’s enviable aquatic lifestyle, with endless sailing, fishing, and boating to be enjoyed from one’s backyard.

St. Mary’s Island…a world unto itself, and pure enchantment.