Palatial condo with size and scale in an absolutely prime Back Bay location! On the sunny side of Marlborough, between Dartmouth and Exeter, this penthouse triplex offers 5 bedrooms, 3.5 bathrooms, 2 living rooms, 2 large private decks and so much more! For those who can't find the ideal single family, you must consider this opportunity for an oversized condo in a 24' wide building. Throughout the home are inspiring original details such as elegant crown molding, 5 fireplaces, and towering ceiling heights. These are merged with a luxurious kitchen, renovated in 2015, that features sub-zero fridges, Wolf oven, and induction stovetop. Additional storage in the basement and a tandem parking space are also deeded with the unit. The home does not currently have an elevator but seller has had architectural plans drawn for the addition of one. Walk to all of Back Bay's conveniences, luxuries and recreation in minutes while enjoying a grand and private oasis in the center of it all!