The Prospect Park Picnic House wedding cost is one of the most affordable raw wedding venues in Brooklyn. The unique space allows couples to stay in charge of their wedding budget by listing the price of the rental right on their site and providing a list of affordable vendors to choose from. Couples can get married inside the Picnic House or outdoors on the lawn like Quinn & Brett did. Their beautiful Prospect Park wedding photos include details of the beautiful bride getting ready, their romantic vow exchange and of course gorgeous newlywed photos throughout the park after wards. Check out the full gallery to see more.