Shark's Tooth Island, also known as Hollis Marsh or Hollis Island, offers a unique opportunity for fossil enthusiasts to explore and discover ancient shark and porpoise teeth, shells, vertebrae, and stingray dental plates along the Potomac River shoreline. Accessible only by boat, kayak, canoe, or jet ski, visitors can search for Miocene Epoch fossils dating back millions of years, including teeth from extinct sharks such as Tiger, Requiem, Mackerel, Hammerhead, and the rare giant White Shark, Carcharondon Megalodon.
This privately owned island provides a picturesque setting for fossil hunting, with sandy and marshy areas yielding a variety of fossilized treasures. With a rich backstory of the region being submerged underwater in the past, Shark's Tooth Island offers a one-of-a-kind experience for nature lovers and history enthusiasts alike, showcasing the geological wonders of the area's ancient past.
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