Put the conch in a pressure cooker covered with water and cook until tender, check the manufacturer's instructions for time. Remove the conch from the cooker and let cool completely.
Dice the conch into small cubes then put the diced conch and remaining ingredients, except lettuce, in a medium bowl. Toss until completely mixed. Season with additional salt and pepper, if necessary. Cover and refrigerate until ready to serve. Before serving, toss again. Place lettuce on a platter and top with conch salad.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.