This is a beautiful walk, its longer than you think, has lovely views of terrigal haven and is dog friendly.
Wamberal Beach is dog friendly and is an off leash area.
Click on the map, it is powered by open street map and shows you where the dog area is - you can click on the navigator icon to show you where you are and check if you are in the dog friendly area.
Start, View Street Carpark: -33.43200541706618, 151.44626498222354 Google Maps Link
Walk to just past Avoca Lagoon and the explore the Lagoon and turn back: -33.441021269576254, 151.44299268722537 Google Maps Link