A few nice Sand Key Florida images I found:
Bahia Honda State Park
Image by ScruffyNerf
104-0461_IMG
Image by blandiose
MM00039740x
Image by Florida Keys–Public Libraries
Postcard F.E.C.Ry. Construction Work, filling in from Key to Key, looking East from Key West. Published by Hugh Leighton Co. Manufacturers, Portland, ME. The Scott DeWolfe Collection.