We have disembarked at three different ports in the US . Depending on the cruise US citizens don't always go thru customs. In LA on our Mexico cruise everyone except American citizens had to clear customs. In Port Canaveral and Fort Lauderdale everyone had to clear customs ,so it took longer to get off the ship.
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Ships Sailed:
SS Ithaca , Volendam , Mariner of the Seas (x2) , Veendam , Coral Princess , Island Princess (x3) , Emerald ,Sapphire (x3)