It has 8.6 square miles.

The east end is in latitude 23 degrees 5' N.; longitude 73 degrees 37' west of Greenwich.

The reef on which it lies is 15 by 2 1/2 miles.
On the southeast this reef stretches half a mile from the land, on the east four miles, on the west two, along the north shore one-quarter to one-half mile, and on the southwest scarcely one-quarter.

Turk is smaller than Samana, and Cat very much larger.
The selection of two so unlike in size show that dimension has not been considered essential in choosing an island for the first landfall.( *) (*) I am indebted to T.J.McLain, Esq., United States consul at Nassau, for the following information given to him by the captains of this port, who visit Samana or Atwood's Key.

The sub-sketch on this chart is substantially correct: Good water is only obtained by sinking wells.