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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

Crocodile Lake National Wildlife Refuge dominates the southern landscape of this 1980s coastal study, preserving the delicate mangrove ecosystems where Card Sound meets the Atlantic. This era captures the significant development of the northern tip of Key Largo, centered around the Ocean Reef Club with its private Ocean Reef Club Landing Strip and structured residential canals. To the north, the map details the intricate network of the upper keys, including Old Rhodes Key and Angelfish Key, separated by tidal channels like Angelfish Creek.

The mainland portion at the northwest corner features a distinctive grid of Cooling Canals, illustrating the industrial footprint near the coast. Navigational markers for the Intracoastal Waterway thread through the protected waters of the Biscayne Bay Aquatic Preserve, while the eastern shoreline is buffered by the John Pennekamp Coral Reef State Park. This record preserves the location of local landmarks such as Dynamite Docks and the small settlement of Grayvik before further regional expansion.