From the Long Island Expressway Eastbound:
Take the Long Island Expressway to exit 71. At the stop sign make a right turn on to CR 24. Take CR 24 about 5 miles to CR 51. Make a right turn on to CR 51. Make the first right turn in to the County Center and follow access road to the rear of the complex. In the rear of the complex the Criminal Court Building will be on your right. Public parking is the second parking lot on your right.

From Sunrise Highway Eastbound:
Take Sunrise Highway to exit 61 - CR 51 to Riverhead. Take CR 51 to the County Center and make a left turn into the third entrance. Follow the access road to the rear of the complex. In the rear of the complex the Criminal Court Building will be on your right. Public parking is the second parking lot on your right.

From eastern Suffolk County North Fork:
Take Route 25 into Town of Riverhead. Make a left turn on to Peconic Avenue. At the traffic circle bear right on to CR 24. Take CR 24 to CR 51, the next left turn. Make the first right turn in to the County Center and follow access road to the rear of the complex. In the rear of the complex the Criminal Court Building will be on your right. Public parking is the second parking lot on your right.

From eastern Suffolk County South Fork:
Take Sunrise Highway to exit 61 - CR 51 to Riverhead. Take CR 51 to the County Center and make a left turn into the third entrance. Follow the access road to the rear of the complex. In the rear of the complex the Criminal Court Building will be on your right. Public parking is the second parking lot on your right.