Curious to see The Most Expensive Homes for Sale in Marlboro and Morganville right now? Marlboro, located in Monmouth County, NJ has many high-end luxury real estate listings. Whether you are actually searching for one of these luxury homes yourself or just wanting to catch a glimpse of the towns mega-mansions, you came to the right place. Right in our own backyard, these “mega-mansions” are truly impressive and breathtaking. If you enjoy watching HGTV, then you’ll love looking at these luxury homes. If you are truly in the market for one of these spectacular homes, I would be MORE THAN WILLING to give you a private tour, and then write up the offer!