This image shows a long stretch of Miami Beach, focusing especially on the actual beach itself.
There is no description on the back of this card. The legend on the front reads:
Miami Beach, Florida   D-221
–The city is located on an island close off-shore from Miami proper. The beaches are both natural and man-made, but in recent years are extensively reconstructed due to rising sea levels and erosion.
This card was used and is dated 2 March 1946.