Reef Site Card - Oriskany, Pensacola Waterproof thick plastic card 8 1/2 x 5 1/2 inches High quality graphics printed on both sides Includes site details, depths, currents, GPS coordinates in DDMM.MMM format, distance from nearest port, and other pertinent information which varies by site. Great planning tool for diving, snorkeling, spearfishing and fishing. 3-Hole Punched for Log Book or Lanyard when Underwater