Circle Line: Beast Speedboat Ride. Take a ride on the wild side with this 30-minute speedboat tour of New York City. Hop on board The Beast and let the fun begin. This high-speed boat tour along New York Harbor — complete with loud, rocking music and playful narration — acts like a roller coaster on water. It’s a must-do experience for adrenalin junkies. Book and Save 25%: Circle Line: Beast Speedboat Ride.