Cuban migrants in the waters south of Key West, Fla., on Jan. 1, before being repatriated. The number of Cubans trying to reach the U.S. illegally by sea has surged since the Obama administration announced plans to normalize relations with Cuba. AP/U.S. Coast Guard hide caption

itoggle caption AP/U.S. Coast Guard

The cruise ship Carnival Magic floats behind a catamaran off Cozumel, Mexico on Oct. 17. The ship skipped a planned stop there Friday, the cruise line says, after Mexican authorities delayed granting permission to dock. Reuters/Landov hide caption

itoggle caption Reuters/Landov