Long Island Rail Road operates a train from Long Island to Central Park hourly. Tickets cost $11 - $16 and the journey takes 1 h 22 min. New York City Transit (MTA) also services this route every 10 minutes.
How to get from Long Island to Central Park
From Ronkonkoma train to 34 St - Penn Station, subway to 86 St, then walk to Central Park. 1 h 43 min $16. From Long Island drive to Central Park. 1 h 5 min $6.