The Chesapeake Bay Trust has teamed up with Maryland businesses to provide special deals to Bay Plate owners. When you show your Bay plate or Plate Perks card at any of the participating businesses, you will receive discounts, free giveaways and even special parking! Check out the discounts here. Need a Plate Perks card? Register your Bay plate to receive your FREE Plate Perks card. Need a Bay plate? You can order one online by clicking here.