The new jersey shore good beaches some towns have boardwalks some towns have boardwalks some towns have boardwalks some towns.
Why not try Cape Cod or Martha’s Vineyard in Massachusetts? It isn’t that far of a drive from New York City, and it would definitely be relaxing. There are nice beaches, restaurants, and shopping, and it probably won’t be too crowded at the end of August. You can find more ideas and lodging options here:
Hope this helps! Enjoy your holiday!