Our list of free New York Boat Tours. Some are close enough to free to make this list. Boat tours, dinner cruises, free kayaking and row boats on the Hudson. Board a Seastreak ferry in NYC or New Jersey and cruise through the New York daily, year-round; ~ h; $27 (age 13+), Free (age ), or Free (age ) offices; in New York City, they are purchased on the boat at time of boarding. Yet, the 5 mile, 25 minute ride also provides a majestic view of New York Harbor and a no-hassle, even romantic, boat ride, for free! One guide book calls it "One.