Old Narrow Water Castle just outside the town is a three-storey tower house built in 1560 to protect the entrance to the Newry river estuary. Across the road is the New Narrow Water Castle built in 1840.

A small modern passenger Ferry service operates out of Warrenpoint to the quaint village of Omeath in Co. Louth, Republic of Ireland. The trip takes, amid spectacular scenery, about 15 minutes.

The award winning Municipal Park is a regular meeting place where locals, day trippers and holiday makers congregate. In the summer months the ornate bandstand plays host to many silver and brass bands from the surrounding locality.