Santa Mar a was built in Pontevedra, Galicia, in Spain's North-West region. Santa Mar a had a single deck and three small masts. Santa Mar a, being Columbus' largest ship, was only about this size, and Ni a and Pinta were smaller, at only 50 to 75 tons burden With three masts, Santa Mar a was the slowest of Columbus' vessels but performed well in the Atlantic Ocean crossing. Then on the return ...