This 5-1/2 x 8-1/2" card provides a detailed depiction of the Spiegel Grove dive site in Key Largo, Florida. Each waterproof card is double sided, made of durable PVC plastic and is designed to be taken on the dive. They are also 3 hole punched to fit in standard log books.

The ship lies near Dixie Shoals within the Marine Sanctuary. Some 10 mooring buoys are fastened to the vessel to provide dive boats with tie-off points.