Overview This is a small sandy beach on the Marblehead/Swampscott town line. Highlights include Flirtation (Pig) rock which is often the destination of geology field trips. Flirtation rock includes large volcanic dikes and xenoliths. Numerous tide pools can be found in the depressions of the rock which harbor hermit crabs, periwinkles and a variety of…… Continue reading Preston Beach and Beach Bluff Park