Well-behaved, socialized dogs (and their well-behaved humans!) are invited to nosh and play on the outside patio at GUAPOs in Orleans.

A $10 donation to The Animal Rescue League of Bostons Brewster shelter (kids under 12 and dogs are free) comes with access to the party, complimentary hors doeuvres from GUAPOs, margarita samples, and plenty of doggone fun.

Take selfies in the Animal Rescue League Kissing Booth! Dont forget to share your photos with us on Facebook and Twitter.

Uncover your dogs artistic talent at the Pupcasso Art Making station!

And belly up to the Yappetizer Bar with tons of goodies for Fido!

In honor of Fathers Day, well also be looking for the best Doggie-Daddie Look-A-Like duo. The winner will receive the GUAPOs Animal House Party Pack, a $200 catering package!

Best of all, you can enter to win the featured prize of the party  the Waggin Wagon. The classic red wagon is overflowing with items for the most pampered pet and owner treats, leashes, collars, toys, a bed, grooming tools, home décor items, gift cards, an emergency backpack kit for dogs, ARL gear and much, much more. Dozens of local businesses have contributed to the grand prize, including Agway of Cape Cod, The Cape Cod Dog, Nauset Pet Services, Cape Cod Underdogs, Animal Hospital of Orleans, The Nauset Stitch Company, Adorn Cape Cod and Hot Diggity Dog Wash & Boutique. It even includes autographed swag from New England Patriots cornerback Logan Ryan&cuz why not?!

Chances are $5 each or five for $20 and can be purchased ahead of time at www.guaposcapecod.com/muttsandmargs/, in the restaurant, or at The Animal Rescue League. Tickets will also be sold at the party. The Wagon is valued at more than $1,000 and one lucky winner will roll home the ENTIRE wagon of goodies (although you dont have to be present to win)!

See you on the 19th for an afternoon of great fun in support of our local shelter!