15+ Crockpot Seafood Recipes for Effortless & Delicious Meals

Slow-cooking seafood in a crockpot (slow cooker) may not be the most common method, but it locks in moisture, enhances flavors, and makes meal prep effortless.

Whether you’re craving flaky fish, creamy chowders, or bold Cajun flavors, these 15+ crockpot seafood recipes will make your life easier while keeping your meals nutritious and flavorful.

Let’s start with the first five crockpot seafood recipes!

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1. Slow Cooker Garlic Butter Salmon (Healthy & Keto-Friendly, 48g Protein Per Serving)

A simple, rich, and buttery salmon dish infused with garlic and herbs!

Ingredients:

• 2 large salmon fillets (about 6 oz each)
• 3 cloves garlic, minced
• 2 tablespoons butter, melted
• 1 teaspoon lemon zest
• ½ teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon red pepper flakes (optional)
• 1 tablespoon fresh parsley, chopped
• 1 cup vegetable or seafood broth

Instructions:

1. Place salmon fillets in the slow cooker.
2. In a small bowl, mix butter, garlic, lemon zest, salt, black pepper, and red pepper flakes. Pour over the salmon.
3. Add vegetable broth to the slow cooker.
4. Cover and cook on low for 2–3 hours or until salmon flakes easily.
5. Garnish with fresh parsley and serve with steamed asparagus or cauliflower rice.

Why It’s Great:
This dish is buttery, rich, and packed with omega-3 fatty acids while staying keto and low-carb friendly.

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2. Crockpot Shrimp & Sausage Jambalaya (Bold & Spicy, 42g Protein Per Serving)

A Cajun-inspired, protein-packed dish with bold flavors and tender shrimp!

Ingredients:

• 1 lb raw shrimp, peeled and deveined
• ½ lb smoked andouille sausage, sliced
• 1 small onion, diced
• 1 red bell pepper, diced
• 2 cloves garlic, minced
• 1 can (15 oz) diced tomatoes
• 1 cup chicken broth
• 1 teaspoon Cajun seasoning
• ½ teaspoon smoked paprika
• ½ teaspoon salt
• ½ teaspoon black pepper
• 1 teaspoon Worcestershire sauce

Instructions:

1. Place sausage, onion, bell pepper, garlic, diced tomatoes, chicken broth, Cajun seasoning, smoked paprika, salt, black pepper, and Worcestershire sauce in the slow cooker.
2. Cover and cook on low for 6–7 hours or high for 3–4 hours.
3. In the last 30 minutes, stir in shrimp and cook until pink.
4. Serve over cauliflower rice or steamed vegetables.

Why It’s Great:
This dish is hearty, smoky, and full of spice, making it perfect for meal prep or family dinners.

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3. Slow Cooker Lemon Garlic Butter Tilapia (Light & Flaky, 40g Protein Per Serving)

A delicate and zesty fish dish with a buttery lemon-garlic sauce!

Ingredients:

• 2 tilapia fillets (or any white fish)
• 2 cloves garlic, minced
• 1 tablespoon butter, melted
• 1 teaspoon lemon juice
• ½ teaspoon salt
• ½ teaspoon black pepper
• 1 teaspoon dried oregano
• 1 cup vegetable broth

Instructions:

1. Place tilapia fillets in the slow cooker.
2. In a small bowl, mix butter, garlic, lemon juice, salt, black pepper, and oregano.
3. Pour the mixture over the tilapia and add vegetable broth.
4. Cover and cook on low for 1.5–2 hours or until fish flakes easily.
5. Serve with roasted vegetables or mashed cauliflower.

Why It’s Great:
This dish is light, fresh, and ready in no time, making it a great low-calorie seafood option.

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4. Slow Cooker Creamy Seafood Chowder (Rich & Comforting, 38g Protein Per Serving)

A warm, creamy chowder with shrimp, scallops, and white fish!

Ingredients:

• ½ lb shrimp, peeled and deveined
• ½ lb scallops
• 1 cup white fish fillets, cut into chunks
• 1 small onion, diced
• 1 cup celery, chopped
• 2 cloves garlic, minced
• 2 cups seafood broth
• 1 cup heavy cream
• ½ teaspoon thyme
• ½ teaspoon salt
• ½ teaspoon black pepper
• 2 tablespoons butter

Instructions:

1. Place shrimp, scallops, white fish, onion, celery, garlic, seafood broth, thyme, salt, and black pepper in the slow cooker.
2. Cover and cook on low for 6–7 hours or high for 3–4 hours.
3. Stir in heavy cream and butter in the last 30 minutes.
4. Serve warm with low-carb bread or crackers.

Why It’s Great:
This chowder is thick, creamy, and perfect for cold days, offering tons of protein and healthy fats.

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5. Slow Cooker Garlic Butter Lobster Tails (Decadent & Fancy, 45g Protein Per Serving)

A luxurious, restaurant-quality lobster tail dish with rich garlic butter sauce!

Ingredients:

• 2 lobster tails
• 2 tablespoons butter, melted
• 2 cloves garlic, minced
• ½ teaspoon salt
• ½ teaspoon black pepper
• 1 teaspoon lemon juice
• ½ teaspoon smoked paprika
• ½ cup seafood broth

Instructions:

1. Cut lobster tails in half lengthwise and place them in the slow cooker.
2. In a small bowl, mix butter, garlic, salt, black pepper, lemon juice, and smoked paprika. Pour over the lobster.
3. Add seafood broth and cover.
4. Cook on low for 1.5–2 hours until lobster is opaque and tender.
5. Serve with steamed asparagus and a side of drawn butter.

Why It’s Great:
This dish is rich, indulgent, and incredibly easy, making it perfect for special occasions or a luxurious dinner at home.

6. Slow Cooker Spicy Cajun Shrimp & Grits (Southern Comfort, 42g Protein Per Serving)

A bold and spicy shrimp dish served over creamy cauliflower grits!

Ingredients:

• 1 lb raw shrimp, peeled and deveined
• 1 small onion, diced
• 1 red bell pepper, diced
• 1 teaspoon Cajun seasoning
• ½ teaspoon smoked paprika
• ½ teaspoon garlic powder
• ½ teaspoon salt
• ½ teaspoon black pepper
• 1 cup chicken broth
• ½ cup heavy cream

Instructions:

1. Place onion, bell pepper, shrimp, Cajun seasoning, smoked paprika, garlic powder, salt, black pepper, and chicken broth in the slow cooker.
2. Cover and cook on low for 2–3 hours or until shrimp is pink and tender.
3. Stir in heavy cream in the last 15 minutes of cooking.
4. Serve over cauliflower grits or mashed cauliflower.

Why It’s Great:
This dish is spicy, creamy, and packed with Southern flavors while staying low-carb and protein-rich!

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7. Slow Cooker Coconut Lime Mahi Mahi (Tropical & Light, 44g Protein Per Serving)

A fresh, tropical-inspired dish with tender Mahi Mahi in a creamy coconut-lime sauce!

Ingredients:

• 2 Mahi Mahi fillets
• 1 cup coconut milk (full-fat)
• 1 teaspoon lime zest
• 1 tablespoon lime juice
• 2 cloves garlic, minced
• ½ teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon red pepper flakes (optional)

Instructions:

1. Place Mahi Mahi fillets in the slow cooker.
2. In a bowl, mix coconut milk, lime zest, lime juice, garlic, salt, black pepper, and red pepper flakes. Pour over the fish.
3. Cover and cook on low for 1.5–2 hours or until the fish is flaky.
4. Serve with steamed greens or cauliflower rice.

Why It’s Great:
This dish is refreshing, creamy, and packed with tropical flavors, making it perfect for a light but satisfying meal!

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8. Slow Cooker Spanish Seafood Stew (Flavorful & Hearty, 46g Protein Per Serving)

A warm and comforting Spanish-inspired seafood stew with shrimp, mussels, and cod!

Ingredients:

• ½ lb shrimp, peeled and deveined
• ½ lb mussels, cleaned
• 2 cod fillets, cut into chunks
• 1 small onion, diced
• 1 can (15 oz) diced tomatoes
• 2 cups seafood broth
• 1 teaspoon smoked paprika
• ½ teaspoon cumin
• ½ teaspoon salt
• ½ teaspoon black pepper

Instructions:

1. Place shrimp, mussels, cod, onion, diced tomatoes, seafood broth, smoked paprika, cumin, salt, and black pepper in the slow cooker.
2. Cover and cook on low for 6–7 hours or high for 3–4 hours.
3. Serve with cauliflower rice or crusty keto-friendly bread.

Why It’s Great:
This flavorful stew is rich in protein, omega-3s, and Mediterranean spices!

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9. Slow Cooker Creamy Garlic Scallops (Elegant & Rich, 50g Protein Per Serving)

Juicy, buttery scallops in a creamy garlic-Parmesan sauce!

Ingredients:

• 1 lb large scallops
• 2 cloves garlic, minced
• ½ cup heavy cream
• ¼ cup grated Parmesan cheese
• 1 tablespoon butter
• ½ teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon dried thyme

Instructions:

1. Place scallops in the slow cooker.
2. In a bowl, mix garlic, heavy cream, Parmesan, butter, salt, black pepper, and thyme. Pour over the scallops.
3. Cover and cook on low for 1.5–2 hours or until scallops are opaque and tender.
4. Serve with steamed asparagus or roasted Brussels sprouts.

Why It’s Great:
This dish is creamy, luxurious, and perfect for special occasions!

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10. Slow Cooker Butter Poached Lobster (Restaurant-Quality, 48g Protein Per Serving)

Succulent lobster tails poached in butter for a rich, decadent dish!

Ingredients:

• 2 lobster tails
• 3 tablespoons butter, melted
• 1 teaspoon lemon juice
• ½ teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon garlic powder

Instructions:

1. Cut lobster tails in half lengthwise and place in the slow cooker.
2. Pour butter, lemon juice, salt, black pepper, and garlic powder over the lobster.
3. Cover and cook on low for 1.5–2 hours until lobster is opaque.
4. Serve with steamed greens or mashed cauliflower.

Why It’s Great:
This dish is indulgent, buttery, and surprisingly easy to make!

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11. Slow Cooker Thai Red Curry Shrimp (Spicy & Creamy, 43g Protein Per Serving)

A bold, aromatic Thai curry with shrimp and vegetables!

Ingredients:

• 1 lb shrimp, peeled and deveined
• 1 cup coconut milk
• 1 tablespoon Thai red curry paste
• 1 small onion, diced
• 2 cloves garlic, minced
• 1 teaspoon ginger, grated
• ½ teaspoon salt
• ½ teaspoon black pepper

Instructions:

1. Place shrimp, coconut milk, curry paste, onion, garlic, ginger, salt, and black pepper in the slow cooker.
2. Cover and cook on low for 2–3 hours.
3. Serve with steamed bok choy or cauliflower rice.

Why It’s Great:
This dish is rich, creamy, and packed with Thai flavors!

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12. Slow Cooker Clam Chowder (Classic & Comforting, 39g Protein Per Serving)

A creamy, New England-style clam chowder perfect for cozy meals!

Ingredients:

• 1 lb clams, cleaned
• 1 small onion, diced
• 1 cup celery, chopped
• 2 cloves garlic, minced
• 2 cups seafood broth
• 1 cup heavy cream
• ½ teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon thyme

Instructions:

1. Place clams, onion, celery, garlic, seafood broth, salt, black pepper, and thyme in the slow cooker.
2. Cover and cook on low for 6–7 hours.
3. Stir in heavy cream in the last 30 minutes.
4. Serve warm with low-carb bread or crackers.

Why It’s Great:
A classic, creamy, and hearty seafood soup!

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13. Slow Cooker Cilantro Lime Shrimp (Bright & Zesty, 41g Protein Per Serving)

A fresh, citrusy shrimp dish perfect for tacos or rice bowls!

Ingredients:

• 1 lb shrimp, peeled and deveined
• 1 tablespoon olive oil
• 1 teaspoon lime zest
• 1 tablespoon lime juice
• ½ teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon cumin
• ¼ cup chopped cilantro

Instructions:

1. Place shrimp, olive oil, lime zest, lime juice, salt, black pepper, and cumin in the slow cooker.
2. Cover and cook on low for 2 hours.
3. Stir in cilantro before serving.

Why It’s Great:
This dish is light, refreshing, and bursting with citrus flavor!

14. Slow Cooker Mediterranean Cod (Light & Flavorful, 42g Protein Per Serving)

A fresh, heart-healthy dish with Mediterranean herbs, tomatoes, and olives!

Ingredients:

• 2 cod fillets (or any white fish)
• 1 can (15 oz) diced tomatoes
• ¼ cup kalamata olives, sliced
• 1 small onion, diced
• 2 cloves garlic, minced
• ½ teaspoon dried oregano
• ½ teaspoon salt
• ½ teaspoon black pepper
• 1 tablespoon olive oil
• ½ cup seafood broth

Instructions:

1. Place cod fillets in the slow cooker.
2. Add diced tomatoes, olives, onion, garlic, oregano, salt, and black pepper.
3. Drizzle with olive oil and pour in seafood broth.
4. Cover and cook on low for 1.5–2 hours or until the fish flakes easily.
5. Serve with steamed greens, cauliflower rice, or roasted vegetables.

Why It’s Great:
This dish is light, flavorful, and rich in heart-healthy omega-3s while being low in carbs and calories!

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15. Slow Cooker Teriyaki Salmon (Sweet & Savory, 45g Protein Per Serving)

A rich, umami-packed salmon dish with a sticky teriyaki glaze!

Ingredients:

• 2 salmon fillets
• ¼ cup low-sodium soy sauce (or coconut aminos for keto)
• 1 tablespoon honey (or sugar-free sweetener)
• 1 teaspoon grated ginger
• 2 cloves garlic, minced
• ½ teaspoon black pepper
• 1 teaspoon sesame oil
• 1 teaspoon cornstarch (optional, for thickening)
• 1 tablespoon sesame seeds (for garnish)
• 2 green onions, chopped

Instructions:

1. Place salmon fillets in the slow cooker.
2. In a bowl, mix soy sauce, honey, ginger, garlic, black pepper, and sesame oil. Pour over the salmon.
3. Cover and cook on low for 2–3 hours or until salmon is tender and flaky.
4. If a thicker sauce is desired, mix cornstarch with 2 tablespoons water, stir in, and let cook for 10 more minutes.
5. Garnish with sesame seeds and chopped green onions. Serve with steamed bok choy or cauliflower rice.

Why It’s Great:
This dish is sweet, savory, and packed with Japanese-inspired flavors, making it a delicious protein-packed meal!