Seaside Park is located at 39°55'35" North, 74°4'37" West (39.926389, -74.077222).
According to the United States Census Bureau, the borough has a total area of 0.76 mi2 (1.98 km2). 0.65 mi2 (1.68 km2) of it is land and 0.11 mi2 (0.30 km2) of it is covered by water. The total area is 14.94% water.
Seaside Park is located in the Eastern Standard Time (EST) timezone, GMT-05:00. It observes Daylight Saving Time (DST).
Seaside Park Borough, NJ Location in United States