Perth Amboy has beach cruiser style bikes you can use. The bikes are parked at the Perth Amboy Marina at 300 Front St. You must be 18 to use the bikes. The white bikes with baskets are free to use and are available after you register on the On Bike Share app through App Store or Google Play Store. Type in Perth Amboy. Once your account is set up your are ready to go. No helmets are provided but you can bring your own. You can read more about how to access the bike here.
The bike share info says to avoid busy streets. Currently there are no bike lanes and no bike route in Perth Amboy. This was a safety concern of some residents.