Great Kills (harbor & beach), Ward Point (tottenville), Seguine Point, New Dorp Beach, Fort Wadsworth & Richmond Terrace are all good spots.
The Harbor is great in the spring, but sometimes it pays to snag a few bunker & then fish away from all the bait. By May you'll have a decent shot at a 10-pound weakfish in the Harbor also.
Here's a Harbor Bass I got before work -
Stephen Byrne
NY Bight Editor
Nor'east Saltwater