The Best Marathon, FL Seafood Restaurants & Markets

Sunshine, sand, and incredibly fresh seafood...what's not to love about Marathon, FL? It's an incredible place to visit and live in the Florida Keys, as this city stretches across 13 picturesque islands known for beautiful beaches and incredible reefs. Dining is a whole other dimension with Marathon FL’s best seafood restaurants, offering fresh fare caught from the Atlantic Ocean and the Gulf of Mexico.

Let's dive in and take a closer look at the best Marathon, FL seafood restaurants and markets.

Florida Keys Steak and Lobster House

Photo Credit: flkeyssteakandlobsterhouse via Instagram

3660 Overseas Hwy, Marathon, FL 33050

Florida Keys Steak and Lobster House is one of the most popular places to dine in Marathon for tourists and residents. Even Key West locals can't resist the gorgeous hour drive down to this local lobster house, renowned for its amazing appetizers like conch fritters and shrimp ceviche. Lobster bisque, steakhouse salad, and fresh grilled Mahi Mahi are all on the menu too.

If a succulent seafood platter isn't enough to tempt you, maybe the homemade key lime pie or the authentic Cuban flan custard will. Plus, the steak and lobster house gets the seal of approval from locals, winning three Best of Marathon categories including the best place to take a date, best fine dining, and best Bloody Mary.

Brutus Restaurant & Seafood Market

Photo Credit: brutus_mm51 via Instagram

6950 Overseas Hwy, Marathon, FL 33050

Fabulously fresh seafood awaits at this well-known eatery, popular for its daily specials ranging from Shrimp Po Boy to Italian subs. Brutus Restaurant & Seafood Market gives you the best of both worlds if you want a memorable meal and the chance to stock up on fresh fare caught by local fishermen in Florida waters. The wide seafood selection includes grouper, snapper, shrimp, and stone crab, so there's plenty to choose from.

In addition to the rotating seafood selection, you can enjoy dine-in, take-out, or delivery at this family-friendly eatery, which was established in 2012 and has a kids' menu and delicious desserts. Plus, the restaurant works with local charter fishing companies to cook or freeze fish you just reeled in.

Barracuda Grill

Photo Credit: twoconchs via Instagram

4290 Overseas Hwy, Marathon, FL 33050

Want to eat somewhere with an unforgettable ocean view and outdoor seating? Stop by Barracuda Grill at mile marker 49 for an eclectic menu of fresh seafood. From the fish-themed décor to cozy patio seating, you'll feel right at home at this Marathon staple that's been around for over 22 years.

Shrimp lollipops, warmed French brie, and shrimp shumai dumplings are just a few of the fabulous seafood bites you can expect at Barracuda Grill. Fresh salads, sandwiches, and wraps are good for lunch, while there's vegetarian pasta, shrimp scampi, and Thai curry shrimp to satisfy your cravings, too.

Castaway Waterfront Restaurant & Sushi Bar

Photo Credit: little.sarah.9 via Instagram

1406 Ocean View Ave, Marathon, FL 33050

When it comes to a delicious dinner in Marathon, you can't go wrong with Castaway Waterfront Restaurant & Sushi Bar. You may recognize it from Guy Fieri’s Diners, Drive-ins and Dives, and it's deeply rooted in the local community having been around since 1951. What started as a shrimp boat stop has grown into one of the busiest, most beloved seafood restaurants in Marathon.

Walk-ins and reservations are welcome as Castaway is open for breakfast, lunch, and dinner. There are 52 beers on tap and super fresh seafood, steaks, and sushi, with lovely indoor and outdoor seating on the water. Also, don't miss happy hour specials for refreshing drinks after a day in the sun or a hot off-the-grill fish sandwich to fill you up.

Lazy Days South

Photo Credit: lazy_days_south via Instagram

725 11th Street Ocean, Marathon, FL 33050

Lazy Days South is a top choice for oceanfront dining in Marathon, not far from Islamorada overlooking the stunning Atlantic shoreline for picturesque sunsets. It's a lovely, laidback spot with a full-service bar and plenty of daily specials for a worthwhile seafood meal. Large groups and families are encouraged to stop by and enjoy the array of seafood pasta, vegetarian dishes, sandwiches, and steaks.

The restaurant claims its jumbo shrimp cocktail is the biggest and best in the Florida Keys, plus there are plenty more appetizers to choose from such as conch fritters, potato skins, and coconut fried shrimp. Other standout menu items include homemade conch chowder, chicken taco salad, and fried oyster sandwiches.

Sparky's Landing

Photo Credit: sparkyslanding via Instagram

13205 Overseas Hwy, Marathon, FL 33050

Good food and great times await at Sparky's Landing, known for live music and Saturday brunch with champagne or mimosas. The fish and cocktails hotspot has something for everyone with an extensive menu featuring fresh seafood, steaks, sandwiches, salads, and pizzas.

Some of the most popular entrees include Sparky's Frueben (Fish Rueben), woodfired shrimp and bacon pizza, west coast style fish tacos, and tuna club sandwiches. With a fun tiki bar style and waterfront views, this restaurant and bar is a great place to catch up with family and friends.

Porky's Bayside Restaurant & Marina

Photo Credit: porkysbaysiderestaurantmarina via Instagram

1410 Overseas Hwy MM47.5, Marathon, FL 33050

Porky's Bayside Restaurant & Marina is a historic tiki diner with awesome island vibes and waterfront views of the gulf. Not only is there fresh local seafood, but Porky's BBQ is smoked daily onsite for mouthwatering meats. It's a popular place for pooches too with a pet-friendly patio and live music from 6-9 PM.

Porky's is home to deep-fried key lime pie and marvelous mojitos, with smokehouse southern-style breakfast to get your day started right. You can come by car or pull up in your boat for authentic seafood and sushi, thanks to a menu full of land and sea dinners. Make sure to check out the snowbirds' favorites, oceanside sandwiches, and Porky's Monzter house burgers too.

Lighthouse Grill

Photo Credit: faroblancoresort via Instagram

1994 Overseas Hwy, Marathon, FL 33050

Why not take in the sunset and indulge in fresh seafood fare in one of Florida's most beautiful spots? Lighthouse Grill is part of Faro Blanco Resort & Yacht Club, offering a sense of laidback luxury right on the water. Known for its masterful seafood creations in the relaxing shade of Marathon's historic lighthouse, this bayside establishment has chef-created dinner specials every day.

You can enjoy savory entrees, signature drinks, and the freshest local catch of the day. Fish is served to your liking whether that's grilled, fried, blackened, or pan-sautéed. The accompanying mango lime beurre blanc or lemon caper sauce is delectable, although there's much more to choose from such as ahi tuna tartare, fried calamari, or grilled yellowfin tuna.

Burdines Waterfront

Photo Credit: chase_hays via Instagram 

1200 Ocean View Ave, Marathon, FL 33050

Burdines Waterfront is another excellent choice for seafood dining in Marathon, with a tiki theme, water views, and all-around relaxed vibes. You can pull right up to the marina and bring your dogs along for a fun family meal with a menu full of juicy burgers, healthy salads, and satisfying sandwiches.

Some of the most popular dishes at Burdines include the famous fry dust fries, homemade hush puppies, and bacon-wrapped BBQ shrimp. You can also take your pick of chicken, mahi, or shrimp, grilled to perfection. Fried key lime pie and thirst-quenching beverages are always up for grabs too.

Butterfly Café

Photo Credit: tranqbayresort via Instagram

2600 Overseas Highway Marathon FL 33050

The Butterfly Café at Tranquility Bay Beachfront Resort is a serene dining spot overlooking turquoise waters for a memorable lunch or dinner. The covered patio is perfect for al fresco dining, or you can sit inside the spacious dining room that's sophisticated yet comfortable for date nights and family gatherings.

The tantalizing dinner menu includes the famous Florida Keys shrimp cocktail and horseradish encrusted Florida grouper. The tropical crab cakes, Caribbean jerk chicken, and TDF 'To Die For' sticky toffee pudding are tough to beat too. If you prefer a sandwich, try the fried mahi with conch chowder or samba salad on the side.

Cracked Conch Cafe

Photo Credit: Shawn W via Flickr CC2.0

4999 Overseas Hwy, Marathon, FL 33050

Craving steamed clams or conch chowder? Definitely put the legendary Cracked Conch Cafe on your list for a tasty breakfast, lunch, or dinner on a tropical patio. It's open every day for fan favorites like smoked fish dip and key lime pie, with Cuban coffee and refreshing cocktails also on offer.

This relaxed eatery prides itself on homestyle cooking and conch specialties like conch capri and stuffed fish. The fresh fish of the day is served fried, broiled, or blackened, with succulent sides like twice baked potato, onion rings, or sautéed vegetables. Cracked Conch Cafe is also known for its delicious seafood scampi and shrimp stir-fry.

Keys Fisheries

Photo Credit: lord_manny_super_q via Instagram

3502 Gulfview Ave, Marathon, FL 33050

Keys Fisheries is a beloved seafood restaurant and market with freshly caught fish readily available for a fabulous meal. As an open-air fish house in Marathon, just north of 7 Mile Bridge, Keys Fisheries is a casual spot to chow down on conch fritters and other specialties. The market features lobster, stone crab, and fresh fish from local waters so you can have a proper seafood feast at home too.

With signature dips, soups, and sauces, you can expect incredibly succulent seafood whether you're dining in or taking out. The full-service bar features cold beer, crafty cocktails, wine, and spirits, which pair perfectly with conch fritters, coconut shrimp, and fried calamari. There's also Key West shrimp to peel and eat, plus fried scallops and mahi-mahi fish fingers to round out a tasty seafood meal.

Marathon FL Best Seafood Restaurants & Markets

There you have it - a list of all the best seafood restaurants in Marathon, FL. Whether you want to dine in or order online, you're sure to enjoy satisfying seafood specials and great food at all the lovely local seafood restaurants Marathon has to offer.