A seafood sandwich is a type of sandwich that features various types of seafood as its main filling. Common ingredients include shrimp, crab, lobster, or tuna, often combined with sauces like mayonnaise or tartar sauce. The seafood is typically served on bread, which can be a roll, baguette, or sliced bread, and may be accompanied by toppings such as lettuce, tomatoes, or pickles. Seafood sandwiches are popular in many coastal regions and can be found in restaurants, cafes, and food trucks. They are often enjoyed for their fresh flavors and can be customized to suit individual tastes. Some variations include fish sandwiches or clam rolls, showcasing the versatility of seafood in sandwich form.