Reserve one full day for this tour. It's a hip-on hip-off boat, which is all day long available (up to 6PM). So, if you start your trip early you will take more advantage of it! We made the tour starting from the port and we took the boat till the Times Square region. During the trip we had wonderful views of the One WTC and Statue of Liberty. It's a bit overpriced (as mostly of the attractions in NYC), but it is anyway a must!
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