While this scene might conjure images of vacationing on a distant Caribbean island, this isn't a tropical retreat: It's Nantucket. [See: 7 Summer Vacation Ideas for Every Type of Traveler.] ...

Reid Blair, who was sent copies of the photos for his professional opinion ... As for a land mammal, there is nothing on Nantucket Island that could leave such large tracks.” ...

READ ON THE FOX BUSINESS APP Photos showed an excavator ... that multiple areas across Nantucket have to contend with. On the southern coastline, the island experiences annual beach erosion ...

The best time to visit Nantucket is during the shoulder months of March, April, September and October. You'll find the island pleasantly free of tourist hordes, and prices are more manageable ...