Alcarondas
Called the Castle of the Sea, Alcarondas was the golden-and-black flagship of Ar-Pharazôn, the last King of Númenor. In it, he sailed to the shores of Aman to challenge the Valar, leading to the Downfall of his kingdom.

Called the Castle of the Sea, Alcarondas was the golden-and-black flagship of Ar-Pharazôn, the last King of Númenor. In it, he sailed to the shores of Aman to challenge the Valar, leading to the Downfall of his kingdom.