In 1715, a Spanish galleon fleet full of treasure sank in a hurricane off the coast, dubbing our regional area as the Treasure Coast. The Spanish ship Urca de Lima is Fort Pierce’s first underwater archeological preserve. Want to find treasure? You still can. A rich history lies here in St. Lucie County. Discover 16 sites listed in the National Register of Historic Places, the one and only museum dedicated to the US Navy SEALs located on the same grounds where they first trained as “frogmen” during WWII, ancient Indian mounds predating Columbus by several hundred years, the St. Lucie County History Museum and much more.