About The Mayflower II...Of the hundreds of ships that made the transatlantic crossing in the 1600s, she is the ship we remember. Three hundred years later, on June 13, 1957, a full-scale reproduction arrived in Plymouth Harbor, Mayflower II. Since then, Mayflower II has become the majestic centerpiece of historic Plymouth Harbor, and the Commonwealth of Massachusetts. In many ways, America is the product of the events that happened in Plymouth and Native Patuxet over four centuries ago—the choices made, risks taken, and the adaptation of community structures to new civic realities