Add water and salt to a large pot and bring to a boil. Add calamari, shrimp, and bay scallops and cook for 3 minutes. Remove from heat and strain out the hot water. Add calamari, shrimp, and bay scallops to an ice bath and let rest for 3 minutes.

Remove and strain calamari, shrimp, and bay scallops from the ice bath. Small dice all ingredients except avocados, cucumber, lemons, and limes. Add diced ingredients into a large bowl. Squeeze lemon and lime into the bowl and mix well. Mix TropiCoastal into the bowl and let marinate in the refrigerator for 1 to 2 hours. Small dice avocados and cucumber and add to bowl. Add salt and pepper to taste. Mix and serve.