Consumption of raw or steamed oysters harvested from Area 1642 in Apalachicola Bay, Florida, was linked to an outbreak of Vibrio cholerae O75. The ill resided in four states, but had consumed the oysters while in Florida. Area 1642 is a zone that stretches from north to south in Apalachicola Bay just on the east side of the bridge that goes from Eastpoint, Florida, to St. George Island, Florida. The zone is approximately two miles wide from east to west. The traceback implicated oysters harvested between March 21 and April 6.