15 Yummy Seafood Recipes For Large Crowd Ideas

Seafood Recipes For Large Crowd Ideas are perfect for family reunions, backyard parties, beach gatherings, and holiday feasts. Whether you’re planning a casual cookout or a festive celebration, seafood brings a touch of coastal flavor that appeals to many. Its versatility and rich, fresh taste make it an excellent choice for feeding a large group, and many dishes can be easily scaled up without compromising flavor or quality. From hearty shrimp boils and creamy seafood pasta bakes to elegant baked salmon trays and flavorful fish tacos, these crowd-friendly ideas are as delicious as they are practical—sure to make your gathering both memorable and mouthwatering.

Seafood Recipes For Large Crowd Ideas

1. Classic Cajun Shrimp Boil

A Classic Cajun Shrimp Boil is a festive, one-pot seafood dish that’s perfect for feeding a hungry crowd. Packed with bold flavors and simple ingredients, this Southern favorite brings people together around the table—or even a newspaper-covered outdoor table! It’s quick to prepare, fun to serve, and easy to scale for large gatherings.

Ingredients (Serves 8–10):

• 4 lbs large shrimp, shell-on

• 2 lbs baby red potatoes

• 2 lbs smoked sausage, sliced

• 6 ears corn, halved

• 1 lemon, halved

• 1/4 cup Cajun seasoning (plus more to taste)

• 4 cloves garlic, smashed

• 2 bay leaves

• Salt, to taste

• Water, for boiling

• Optional: melted butter and chopped parsley for serving

Nutritional Information (Per Serving):

• Calories: ~420 kcal

• Protein: 30g

• Fat: 20g

• Carbohydrates: 30g

• Fiber: 3g

• Sodium: ~1000mg (may vary with seasoning and sausage)

2. Baked Salmon Fillets with Garlic Butter

Baked Salmon Fillets with Garlic Butter is a simple yet elegant seafood dish that’s perfect for large crowds. The rich, flaky salmon pairs beautifully with a flavorful garlic butter sauce, making it a crowd-pleaser whether served buffet-style or plated individually. It’s easy to prep in large batches and bakes quickly in the oven—ideal for busy hosts.

Ingredients (Serves 8–10):

• 4–5 lbs salmon fillets (cut into portions or left whole for slicing)

• 1/2 cup unsalted butter, melted

• 6 cloves garlic, minced

• 2 tablespoons lemon juice

• 1 tablespoon chopped fresh parsley

• Salt and black pepper, to taste

• Lemon slices, for garnish

Nutritional Information (Per Serving):

• Calories: ~350 kcal

• Protein: 34g

• Fat: 22g

• Carbohydrates: 1g

• Fiber: 0g

• Sodium: ~200mg

3. Creamy Seafood Pasta Bake

Creamy Seafood Pasta Bake is a hearty, comforting dish that’s perfect for feeding a large group. Loaded with tender shrimp, crab meat, and scallops in a rich, cheesy cream sauce, this pasta bake is baked until bubbly and golden. It’s easy to assemble ahead of time and can be reheated without losing flavor—making it a top choice for parties, potlucks, or family gatherings.

Ingredients (Serves 10–12):

• 1 lb penne or rigatoni pasta

• 1 lb shrimp, peeled and deveined

• 1/2 lb scallops (optional)

• 1/2 lb lump crab meat

• 3 tablespoons butter

• 3 cloves garlic, minced

• 1 small onion, finely chopped

• 3 tablespoons all-purpose flour

• 2 cups milk

• 1 cup heavy cream

• 1 1/2 cups shredded mozzarella cheese

• 1/2 cup grated Parmesan cheese

• 1 teaspoon Old Bay seasoning

• Salt and pepper, to taste

• Chopped parsley, for garnish

Nutritional Information (Per Serving):

• Calories: ~490 kcal

• Protein: 28g

• Fat: 25g

• Carbohydrates: 35g

• Fiber: 2g

• Sodium: ~600mg

4. Grilled Mahi-Mahi Skewers

Grilled Mahi-Mahi Skewers are a light, flavorful option that’s perfect for outdoor gatherings and summer cookouts. Mahi-mahi is a firm, mildly sweet fish that holds up beautifully on the grill. Paired with colorful veggies and a zesty marinade, these skewers are easy to prepare in bulk and serve hot off the grill or at room temperature.

Ingredients (Serves 8–10):

• 3 lbs mahi-mahi fillets, cut into 1.5-inch cubes

• 2 bell peppers (red and yellow), cut into chunks

• 1 red onion, cut into chunks

• 1 zucchini, sliced

• 2 tablespoons olive oil

• 2 tablespoons lemon juice

• 2 cloves garlic, minced

• 1 teaspoon paprika

• 1/2 teaspoon dried oregano

• Salt and pepper, to taste

• Wooden or metal skewers

Nutritional Information (Per Serving):

• Calories: ~220 kcal

• Protein: 25g

• Fat: 10g

• Carbohydrates: 6g

• Fiber: 2g

• Sodium: ~180mg

5. Lobster Mac and Cheese Trays

Lobster Mac and Cheese Trays bring rich, indulgent flavor to any gathering and are guaranteed to impress your guests. Creamy, cheesy pasta blended with chunks of buttery lobster tail makes this dish a luxurious take on a comfort food favorite. Perfect for prepping in large trays and baking just before serving, it’s ideal for holidays, weddings, or upscale events.

Ingredients (Serves 10–12):

• 1 lb elbow macaroni or cavatappi

• 2 cups cooked lobster meat (tail or claw, chopped)

• 4 tablespoons unsalted butter

• 1/4 cup all-purpose flour

• 3 cups whole milk

• 1 cup heavy cream

• 3 cups shredded sharp cheddar cheese

• 1 cup shredded Gruyère or mozzarella cheese

• 1/2 cup grated Parmesan cheese

• 1/2 teaspoon smoked paprika (optional)

• Salt and pepper, to taste

• 1 cup panko breadcrumbs (for topping)

• 2 tablespoons melted butter (for topping)

Nutritional Information (Per Serving):

• Calories: ~580 kcal

• Protein: 28g

• Fat: 34g

• Carbohydrates: 40g

• Fiber: 2g

• Sodium: ~550mg

6. Seafood Paella in a Large Pan

Seafood Paella in a large pan is a vibrant and flavorful one-pan dish that’s perfect for feeding a crowd. Originating from Spain, this recipe combines saffron-infused rice with a variety of seafood like mussels, shrimp, and clams, along with bell peppers and peas for color and balance. It’s a show-stopper for outdoor events and special occasions, and the best part—it cooks in one pan.

Ingredients (Serves 12–14):

• 4 cups short-grain rice (e.g., Bomba or Arborio)

• 8 cups seafood or chicken broth (warm)

• 1/2 teaspoon saffron threads (soaked in warm water)

• 1/4 cup olive oil

• 1 large onion, finely chopped

• 1 red bell pepper, sliced

• 1 green bell pepper, sliced

• 4 cloves garlic, minced

• 1 lb shrimp, peeled and deveined

• 1 lb mussels, cleaned

• 1 lb clams, scrubbed

• 1 cup frozen peas

• 2 teaspoons smoked paprika

• Salt and pepper, to taste

• Lemon wedges, for serving

• Fresh parsley, for garnish

Nutritional Information (Per Serving):

• Calories: ~460 kcal

• Protein: 28g

• Fat: 14g

• Carbohydrates: 50g

• Fiber: 3g

• Sodium: ~580mg

7. Sheet Pan Garlic Butter Shrimp

Sheet Pan Garlic Butter Shrimp is a quick, flavorful recipe that’s ideal for serving a large group with minimal effort and cleanup. Juicy shrimp are tossed in a rich garlic butter sauce and roasted to perfection—ready in under 20 minutes. It’s a fantastic option for buffet-style meals, casual parties, or when you’re short on time but still want something impressive.

Ingredients (Serves 8–10):

• 3 lbs large shrimp, peeled and deveined (tail-on optional)

• 1/2 cup unsalted butter, melted

• 6 cloves garlic, minced

• 1 tablespoon lemon juice

• 1 teaspoon smoked paprika

• Salt and pepper, to taste

• 2 tablespoons chopped fresh parsley

• Lemon wedges, for serving

Nutritional Information (Per Serving):

• Calories: ~280 kcal

• Protein: 30g

• Fat: 17g

• Carbohydrates: 3g

• Fiber: 0g

• Sodium: ~430mg

8. Crab Cakes with Spicy Aioli

Crab Cakes with Spicy Aioli are a delicious and crowd-pleasing option for any seafood spread. These golden, crispy crab cakes are packed with tender crab meat and seasoned perfectly. Paired with a tangy, spicy aioli, they make an unforgettable appetizer or main dish for large gatherings, offering a perfect balance of flavors and textures.

Ingredients (Serves 10–12):

• 2 lbs lump crab meat, drained and picked over for shells

• 1/2 cup breadcrumbs (preferably panko)

• 1/4 cup mayonnaise

• 1 large egg, lightly beaten

• 2 tablespoons Dijon mustard

• 2 teaspoons Worcestershire sauce

• 1 teaspoon Old Bay seasoning

• 1/2 teaspoon salt

• 1/4 teaspoon black pepper

• 2 tablespoons fresh parsley, chopped

• 1 tablespoon lemon juice

• 2 tablespoons butter, for frying

For Spicy Aioli:

• 1/2 cup mayonnaise

• 1 tablespoon sriracha or hot sauce (adjust to taste)

• 1 teaspoon lemon juice

• 1 garlic clove, minced

• Salt, to taste

Nutritional Information (Per Serving):

• Calories: ~350 kcal

• Protein: 22g

• Fat: 24g

• Carbohydrates: 14g

• Fiber: 1g

• Sodium: ~650mg

9. Fish Tacos with Cilantro Slaw

Fish Tacos with Cilantro Slaw offer a fresh and flavorful twist on a classic seafood dish, perfect for large groups. Tender fish fillets, lightly seasoned and grilled or fried, are topped with a vibrant cilantro slaw and wrapped in soft tortillas. This dish is light yet satisfying, and it’s easy to assemble in bulk for parties, cookouts, or casual gatherings.

Ingredients (Serves 10–12):

• 2 lbs white fish fillets (such as cod, tilapia, or mahi-mahi)

• 2 tablespoons olive oil

• 1 teaspoon ground cumin

• 1 teaspoon chili powder

• 1/2 teaspoon smoked paprika

• Salt and pepper, to taste

• 12 small soft corn tortillas

• 1/2 cup fresh cilantro, chopped (for garnish)

For Cilantro Slaw:

• 4 cups shredded cabbage (green or purple)

• 1/2 cup shredded carrots

• 1/4 cup red onion, thinly sliced

• 1/2 cup mayonnaise

• 1 tablespoon lime juice

• 1 tablespoon apple cider vinegar

• 1 teaspoon honey

• 1/2 teaspoon garlic powder

• Salt and pepper, to taste

Nutritional Information (Per Serving):

• Calories: ~300 kcal

• Protein: 22g

• Fat: 12g

• Carbohydrates: 28g

• Fiber: 5g

• Sodium: ~450mg

10. New England Clam Chowder

New England Clam Chowder is a creamy, comforting soup that’s perfect for serving a large group, especially on cooler days. Packed with tender clams, potatoes, and vegetables in a rich, creamy broth, this classic dish is a crowd favorite. It’s easy to prepare in large batches and can be kept warm in slow cookers for a hassle-free, filling option at gatherings or events.

Ingredients (Serves 10–12):

• 2 lbs fresh clams (or 3 cans of clam meat, drained)

• 6 slices bacon, chopped

• 1 large onion, chopped

• 2 celery stalks, chopped

• 3 large potatoes, peeled and diced

• 4 cups clam juice or seafood broth

• 2 cups heavy cream

• 1 cup whole milk

• 1/4 cup all-purpose flour

• 1 teaspoon dried thyme

• 1 teaspoon salt (or to taste)

• 1/2 teaspoon black pepper

• Fresh parsley, for garnish

Nutritional Information (Per Serving):

• Calories: ~350 kcal

• Protein: 15g

• Fat: 22g

• Carbohydrates: 28g

• Fiber: 3g

• Sodium: ~850mg

FAQ

1. Can I make these seafood recipes ahead of time?

Yes, many of these seafood recipes, like baked salmon or seafood pasta bake, can be prepared ahead of time and stored in the fridge. For best results, follow the recipe instructions until the final cooking step, then refrigerate or freeze. When ready to serve, bake or heat as needed to maintain their flavor and texture.

2. How do I adjust these recipes for a smaller crowd?

To adjust these recipes for fewer people, simply reduce the quantities of ingredients. Most recipes can be easily halved or divided, and the cooking time might be slightly shorter. Just ensure you maintain the proportions for seasoning and spices.

3. What seafood is best for feeding a large crowd?

Shrimp, salmon, cod, and tilapia are great choices for large groups as they are easy to prepare in bulk and cook quickly. Crab, lobster, and mussels are also crowd-pleasers, though they may require a bit more preparation and handling.

4. Can I substitute seafood in these recipes?

Yes, you can substitute seafood based on availability and preference. For example, you can swap shrimp for scallops or use a different white fish like haddock or bass. Just ensure the seafood is compatible with the dish, and adjust cooking times accordingly.