The PATH (tel. 800/234-7284; www.panynj.gov/path) system connects cities in New Jersey, including Hoboken and Newark, to Manhattan by subway-style trains. Stops in Manhattan are at the World Trade Center, Christopher and 9th streets, and along Sixth Avenue at 14th, 23rd, and 33rd streets. The fare is $2.75 one-way.
New Jersey Transit (tel. 973/275-5555; www.njtransit.com) operates commuter trains from Penn Station, and buses from the Port Authority at Eighth Avenue and 42nd Street, to points throughout New Jersey.
The Long Island Rail Road (tel. 718/217-LIRR [217-5477]; www.mta.info/lirr) runs from Penn Station, at Seventh Avenue between 31st and 33rd streets, to Queens (ocean beaches, Citi Field [the new home of the New York Mets], Belmont Park) and points beyond on Long Island, to even better beaches and summer hot spots such as the Hamptons. You can also connect to the Fire Island ferry from the LIRR.
Metro-North Railroad (tel. 212/532-4900; www.mta.info/mnr) departs from Grand Central Terminal, at 42nd Street and Lexington Avenue, for areas north of the city, including Westchester County, the Hudson Valley, and Connecticut.
The best source for travel on busses into and out of the city is www.gotobus.com.