Welcome to Tranquillity at Fredericktowne located in Frederick, MD. Our beautiful complex is surrounded by lush meadowlands and offers beautiful views of the stunning Catoctin and Sugarloaf Mountains.Welcome to Tranquillity at Fredericktowne located in Frederick, MD. Our beautiful complex is surrounded by lush meadowlands and offers beautiful views of the stunning Catoctin and Sugarloaf Mountains. Its more than our setting that makes our assisted living community so attractive. Our professional associates are focused on providing you with the very best personalized care to ensure that youre always comfortable and at ease.