The Post Apartments - Now Leasing! 131 E Lakeside St, Madison, WI Introducing The Post Apartments - a contemporary community in the heart of Madison. Perfect for students, professionals, and pet owners, our pet-friendly community is outfitted with a wide range of amenities to enhance your lifestyle. From our fully equipped fitness center and refreshing pool to our welcoming lobby and cozy recreation room, The Post Apartments offers the perfect blend of relaxation and recreation. Tour today and discover your new home!