Located behind The Mansion overlooking Cape Cod Bay, guests and patrons alike are invited to book a table inside the restaurant for traditional a-la-carte dining or a private igloo with exclusive dining packages that will allow you to enjoy wintry cocktails with an assortment of delicious appetizers and seasonal entrees. The Frost Bar Breakfast, Lunch, and Dinner menus are available daily in The Roscommon Room located within The Mansion. Click here for hours. The Frost Bar dining room and igloos are open Friday - Sunday.