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.



Big Fish Grille is now serving dinner until 10:00pm on Friday & Saturday nights.


At Big Fish Grille we use locally grown organic produce, hormone free naturally raised chicken, Certified Angus & Waygu steaks, flown in fresh fish & shellfish from around the world. Make your reservations today. Where everyone is a Big Fish!

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:

Join us for Easter Brunch or Dinner

You won’t want to miss the big Fish Grille Easter Brunch from 10:30 a.m. -- 2:30 p.m. on Sunday April 5th.

Our Brunch Features:

  • Chef’s Carving Station with Lamb, Ham and Brisket.
  • Seafood Station with Lobster, Shrimp, Crab, Oysters and Salmon,
  • Omelet Station with the freshest ingredients -- and your breakfast favorites --  along with homemade desserts.

Call for reservations TODAY at 815-476-9331


Kids 12 and under

50 cent Oysters and $3.50 Bloody Marys

Join us Sundays at the Big Fish Grille for 50 cent Oysters and $3.50 Bloody Marys

Offer good on Sundays.

Wine down Wednesdays at Big Fish Grille

Join us for lunch or Dinner on Wednesday’s and relax with a bottle of your favorite wine at  price.

Our ever growing wine list offers some great well known wine makers as well as great hidden gems.

Must present coupon when ordering.

Not good with any other coupon offer or discount.