 | 01 May 29, 2000 The last Elkhorn coral colonies on Sand Key reef were located almost due south of the lighthouse growing on the upper part of the ledge at the first drop off.
|  | 09 July 3, 1995 North of buoy #10 at the base of the first drop off.
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 | 14 June 15, 2001 Near buoy #11 adjacent to the north entry to the Grand Canyon. White Band, White Spot, Yellow Band and other unknown diseases are present.
|  | July 4 2000 |
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