Directions to Collins Cove.
Collins cove was created when fill was removed to construct the Parkway Mullica River Bridge. Hence it's location is on the Mullica River just West of the Parkway bridge.

By auto...
Take Parkway exit 48 which places you on route 9 South, ~1/2 mile - make a Right-turn onto Rt 575 Chestnut Neck Road, ~2 mile - make a Right-turn onto Rt 624 Clark's Landing Road, you will pass underneath the Parkway South-bound and then North-bound, then take the first right-hand turn onto a dirt road, drive parallel to the Parkway going North as far as possible into the Port Republic Wildlife Management Area until you arrive at a parking lot, at this point you will need to park your vehicle and hike (yes, walk) less than 1 mile along a path NNE to Collin's Cove.
By boat...
Location is on the Mullica River between the Parkway Bridge and the mouth of the Wading River around the apex of the South bend.

Directions to Graveling point;

There have been some inquiries so here it goes. If you are north of Tuckerton; Take rt.9 south just past the Lake, make left on Great Bay Blvd. After about a half a mile make a right on Radio Rd. Continue over the small bridge to the end approximately 4 miles. Graveling point is a few hundred yards to the right. If you are south of Tuckerton; Take rt. 9 north, as you enter Tuckerton make a right at the first traffic light which will be Mathestown rd. continue till you intersect Radio Rd. Make a right and continue over the small bridge to the end approximately 4 miles. Graveling point is a few hundred yards to the right.