Guaca Mary Mocktail

• Salt
• 2 tsp grated lime rind
• ½ cup lime juice
• 2 cups peeled, cubed cucumber
• 1 fully ripened avocado, halved, pitted, peeled and sliced
• 1 cup raw cubed tomatillos
• 1 cup halved seedless green grapes
• ½ cup loosely packed coriander leaves
• 1 whole seeded fresh Serrano pepper
• 1 tsp celery salt
• 6 dashes green hot sauce
• ¼ tsp freshly ground black pepper
• 1 1/3 cups coconut water
• Avocado slices, grape tomatoes and pickled onions as optional garnishes