Miramar is a 30,000-square-foot (2,800 m2) French neoclassical-style mansion on 7.8 acres (32,000 m2) bordering Bellevue Avenue on Aquidneck Island at Newport, Rhode Island. Overlooking Rhode Island Sound, it was intended as a summer home for the George D. Widener family of Philadelphia.
The building and landscaping were still in the design stage when George Widener and his son Harry lost their lives aboard the RMS Titanic. His widow, Eleanor Elkins Widener, who was rescued in a lifeboat from the Titanic, completed the project and construction was undertaken during 1913 and 1914 and opened to friends with a large reception on August 20, 1915.
The 27-bedroom, 14-bath mansion has a 27' × 63' Grand Salon/ballroom on the first floor which opens onto a 4,000-square-foot (370 m2) oceanfront terrace. Among its other features, the mansion has a 10,000-bottle wine cellar with a 20-ft (6 m) stone basin for icing up to 200 bottles of champagne at once.