Located just South of Grand Haven State Park Dogs are allowed on the beach South of the swim buoys (to the left of the Bill-Mar Restaurant if looking from the road Memorial Day though Labor Day). Dogs must be kept on a 6 foot leash and never left unattended. After Labor Day through Memorial Day, dogs are allowed on any part of the Grand Haven City Beach. Dogs must be kept on a 6 foot leash and never left unattended.