Big Fish is where Sarnia goes to mark something. Anniversaries, birthdays, the client dinner that needs to land — the dining room on the Exmouth Street corridor is built for the planned night out rather than the casual drop-in, and the menu is wide enough that a table rarely has to compromise. Certified Angus steaks share the page with Lobster Spoons and a seafood linguine called Gamberoni, and a Greek thread — saganaki, souvlaki, a lamb burger built on house tzatziki — runs underneath both. It reads as a steakhouse, a seafood house, and a family kitchen at one address, priced for the occasions that justify all three.
The order tends to build the same way. Lobster Spoons open it — six spoons of lobster meat in garlic butter, rich and shareable and specific enough to set the table apart from a generic steakhouse start. From there the menu splits cleanly. Seafood Gamberoni carries the seafood side in a single plate: linguine with shrimp, scallops, salmon, and mussels in a roasted-garlic Parmesan cream. The steaks hold the other side — the New York strip finished with basil butter, the Angus tenderloin with a peppercorn-merlot demi. Rack of lamb sits between the two camps, panko-encrusted and glazed with maple-bourbon mint, the splurge for a diner who wants steakhouse weight without ordering steak. Atlantic salmon, pan-seared under a roasted-garlic dill cream, rounds out a seafood-forward end that runs as deep as the steak list.
Big Fish has enough current menu depth to support a full special-occasion order, from Lobster Spoons and Seafood Gamberoni to NY Steak, Beef Tenderloin, Rack of Lamb, and Atlantic Salmon.
The restaurant’s identity is grounded in a family-signed welcome from Alex, Stacey and Gus, with more than 20 years of serving Sarnia families and friends.
Private-event inquiry, wine-friendly mains, shareable starters, and celebratory plates make Big Fish more useful as a reservation dinner than as a casual drop-in meal.
Big Fish is strongest when the plan is a birthday, anniversary, client dinner, or just a dressed-up Sarnia night. The menu gives the meal obvious occasion anchors: Lobster Spoons, Rack of Lamb, NY Steak, Beef Tenderloin, and polished seafood plates.
The order has several true anchors rather than one token house dish. Lobster Spoons in garlic butter, Seafood Gamberoni loaded with shellfish and salmon, and maple-bourbon Rack of Lamb give first-time diners a clear way into the kitchen.
This is a natural date-night room because the menu lets two people build a full evening without turning fussy: Saganaki Cheese or Lobster Spoons to start, a steak-and-seafood split through the middle, and enough wine-friendly structure to slow the meal down.
The wine case is practical rather than flashy: Big Fish serves food that wants a bottle opened with dinner. Beef Tenderloin, NY Steak, Rack of Lamb, Atlantic Salmon, and seafood pasta all make the drinks list part of the meal instead of an afterthought.
Private events are a real planning path here, but they should be treated as a reservation conversation rather than a fixed offer. The best fit is a group meal built around shareable starters, steak or seafood mains, and the family-run dining room.
Share the nuances of your visit to Big Fish Steak & Lounge in Sarnia — the standout dishes, the room, the service.
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