 Damage was heaviest in the northern offshore islands and in the northern portion of the mainland . On the offshore islands , downed trees and power lines blocked most roads . In Caye Caulker and San Pedro , Keith damaged the roofs of about 90 % of houses and damaged or destroyed 676 houses , leaving 3 @,@ 279 people homeless . About 50 % of the houses in Caye Caulker were destroyed , with reports of only five dwellings still standing after the storm . In San Pedro , about 30 % of houses , or at least 50 , were wrecked . On Ambergris Caye , four airplanes were destroyed . At Turneffe Atoll , about 35 % of the landmass was affected , with many trees in that section uprooted and numerous tree branches snapped . 
