Why go
The city’s monumental buildings make more sense alongside its access to coastal exchange. Materials from distant regions show that its reach extended beyond the limestone interior, while Isla Cerritos helps explain a possible route for goods arriving by water. Trade was part of its regional power.
The full story
At its height, Chichen Itza was an economic power in the northern Maya lowlands. The city expanded as a regional capital in roughly AD 900–1050 and had links across north and central Yucatán. Isla Cerritos, on the north coast, is widely interpreted as a port associated with that exchange. Waterborne routes around the peninsula could connect the city to places far beyond its immediate hinterland. Obsidian from central Mexico and gold from southern Central America illustrate the range of materials that reached Chichen Itza. Finds also indicate connections with Guatemala, Costa Rica and western Panama. Those objects establish movement and contact, although they do not describe every merchant, route or political arrangement involved. Think of the inland city and coastal port together: the former concentrated power and ceremony, while the latter offered an avenue into wider networks.