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1988 Map of Card Sound

Name: 1988 Topographic Map of Card Sound
Creator: U.S. Geological Survey
Published: 1988
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1988

About this map

Key Largo's upper reaches and the surrounding island chains are meticulously documented in this 1988 revision, showing the transition from conservation lands to exclusive private developments. The sprawling Ocean Reef Club dominates the northern tip of the island, complete with its own Ocean Reef Club Landing Strip and private road network. Adjacent to this, the settlement of Grayvik and the Key Largo Club mark the established footprint of the community before the landscape gives way to the dense mangroves and protected waters of the Crocodile Lake National Wildlife Refuge.

The aquatic geography is equally detailed, featuring the vast expanse of Card Sound and Little Card Sound, separated from the Atlantic Ocean by a string of keys including Old Rhodes Key and Palo Alto Key. A notable engineering feature is the grid of Cooling Canals in the northwest, while the southern waters are protected by John Pennekamp Coral Reef State Park. The map also captures local landmarks like Dynamite Docks and the Toll Bridge connecting to the mainland.