Big Fish Grille


27425 S. Will Road
Wilmington, IL 60481
PH: 815-476-9331



Mondays: Closed
Tuesdays-Thursdays: 11:30am until 9:00pm
Fridays and Saturdays: 11:30am until 10:00pm
Sundays: 11:30am until 9:00pm
Extended Bar hours are Weekdays until Midnight.
Weekends until 1:30a.m.


Located on the waterfront, Big Fish at harborside Marina offer its customers a unique dining experience in a comfortable casual atmosphere. Big Fish is located right on the river and many guests choose to arrive by boat and dock at the restaurant while others arrive on golf carts for a great dining experience.

The pleasant, relaxing ambiance appeals to the casual boater, or the couple looking for a night away from the kids.

And if you like to mix it up a little, we also have a great line up of events and live music on most Saturday nights.

We have functional private rooms to accommodate your next event at our beautiful Harborside Marina location. We customize the menu for your special event. No party is too small or too big for us!

Call us today to set up your special event; we are here to serve you.

Big Fish offers a spectacular array of dishes. The tantalizing recipes are mostly centered around the freshest seafood, fish, steaks, chops, jambalaya and gumbo. The food is unlike any other dining experience and the location is very unique!


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We provide full service catering services from the simplest to the most elaborate event we make sure that your event is perfect! 
With a variety of offerings to choose from, we're sure you'll be happy working with us. Look around our website, . If you have any comments or questions, please feel free to contact us or 618-383-6053

Promotions & Coupons:

Hop on in to Big Fish Grille for Easter Brunch or Dinner

Join us at Big Fish Grille for Easter Brunch from 11a.m.-3p.m.

Highlights include: Eggs Benedict, Chef carved Lamb & Ham, Shrimp, Oysters, Pasta station, pancakes, Wild Mushroom Brown Ale Chicken, Smoked Salmon, Mahi Mahi, fresh fruit, bakery breads, array of desserts and more!

Adults $25.95 Kids 12 under $12.

Big Fish Grille will also be opening for Easter dinner from 4:00 - 8:00p.m.

Make your reservations today!

Call 815-476-9331

50 cent Oysters and $3 Bloody Marys

Join us Sundays at the Big Fish Grille for 50 cent Oysters and $3 Bloody Marys

Offer good on Sundays.

Wine down Wednesdays at Big Fish Grille

Every Wednesday we offer half price bottles of wine. Bring your friends!