Arrive in San Pedro Sula. Transfer to Puerto Cortes to embark Yorktown. Settle in to your cabin and familiarize yourself with the ship and her crew.
Dock in the port town of Santo Tomas de Castilla. Drive to Quiriqua, an ancient Maya center founded circa 200 AD that flourished in the eighth century AD. Quirigua is famous for its huge stelae and altars that are covered with some of the finest carvings in the Maya world. Alternately, visit the Castillo de San Felipe, a well-preserved fortress built by the Spanish in the 17th century.
Arrive at Belize's Punta Gorda and drive inland to explore Lubaantun, a Late Classic Maya center that thrived between 700 and 800 AD. Lubaantun's remains include five main plazas, eleven major structures, three ball courts, and other edifices. The visitor center displays artifacts excavated at the site. Spend the afternoon swimming and snorkeling at the nearby Snake Cays.
From Big Creek, drive to the Cockscomb Basin Wildlife Sanctuary, a dense tropical rain forest set against the peaks of the Maya Mountains. Clear streams and rivers traverse this protected sanctuary that is home to a rich variety of wildlife, including tapir, armadillo, anteater, jaguar, and over 290 species of birds. In the afternoon, enjoy swimming and snorkeling at a nearby cay.
After arriuving in Belize City, drive to Altun Ha, an important ancient Maya site that was occupied for about 1,200 years. Archeologists have uncovered more than 500 buildings, but the core of the site is stretched around two great plazas that are lined with temples and other structures. Return to the ship. While enjoying lunch on board, sail to nearby Goff's Cay, a small islet that offers superb swimming and snorkeling.
Arrive in port at Costa Maya, on Mexico's Yucatan Peninsula. From here drive inland to explore the rarely visited site of Kohunlich. Located in an area of luxuriant foliage, Kohunlich's buildings date from about 100-900 AD. Notable among them is the Temple of the Masks, a stone pyramid dedicated to the Maya sun god. Alternately, explore the Sian Ka'an Biosphere Reserve, a large protected area facing the Caribbean that is home to a wide variety of plants, birds, and other wildlife.
Arrive in Puerto Morelos and visit Tulum, one of the major Maya forts along the Yucatan coast. Perched on a promontory about 30 feet above the sea, Tulum's ruins include several important buildings. These include the Temple of the Frescoes and EL Castillo, a large pyramid on the edge of a cliff overlooking the sea. Overnight aboard docked in Puerto Morelos.
Disembark in Puerto Morelos. Transfer to airport to continue your travels.