Grilled Swordfish Steaks with Lemon Oregano Marinade


Grilled swordfish steaks that have marinated in olive oil, lemon juice, oregano, thyme and garlic

Photography Credit: Elise Bauer

What’s your favorite way to prepare swordfish? Mine is marinated in an herby vinaigrette, and then grilled.

Swordfish is a sturdy fish. It holds up like steak when you cook it, and like beef, takes well to marinating.

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A quick and easy marinade is just a bottle of your favorite Italian dressing. Or if you, like me, prefer to make your dressings and marinades from scratch, here’s a lovely Greek-inspired vinaigrette with which to marinate the swordfish.

It’s made with fresh lemon juice, olive oil, garlic, oregano and thyme.

Grilled Swordfish Steaks

Grilled Swordfish Steaks with Lemon Oregano Marinade Recipe

  • Prep time: 1 hour, 10 minutes
  • Cook time: 15 minutes
  • Yield: Serves 2

If you are buying fresh swordfish, buy the freshest you can. Like any other fresh fish, it should not smell "fishy" at all. Really, at all. Do not buy fresh fish to eat tomorrow. Cook it and eat it the day you buy it. Looking at the swordfish steaks in the market, any coloration should be pink, not brown. Pick out the best looking, most fresh pieces available.

To defrost frozen fish, keep it in its package, defrost slowly in a bowl of cold water.


Marinade ingredients:

  • 1/2 cup extra virgin olive oil
  • 1 1/2 tablespoons lemon juice
  • 2 teaspoons minced fresh oregano
  • 2 teaspoons minced fresh thyme
  • 2 large cloves garlic, crushed
  • 1 teaspoon lemon zest
  • 1 teaspoon dried oregano
  • 1 teaspoon fennel seeds, crushed
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon salt


  • 2 6-8-ounce swordfish steaks
  • Olive oil for grill grates
  • Slices of fresh lemon for garnish


1 Make marinade: Place all marinade ingredients in a small bowl, mix to combine.

2 Marinate the swordfish: Rinse the swordfish steaks in cold water and pat dry. (Don't remove the fish skin, it will help keep the steaks from falling apart when grilling. You can always remove after the fish is cooked before serving, if you want.)

Place the fish in a non-reactive dish and cover with the marinade. Coat on all sides with the marinade. Cover and refrigerate for a half hour to an hour.

3 Prepare the grill: Prepare your grill for high direct heat. You know the grill is hot enough when you place your hand one inch above the grill grates and you can only keep it there for 1 second.

Wipe the grill grates with a paper towel infused with olive oil to oil the grates so the swordfish steaks don't stick when you turn them over.

4 Grill the swordfish steaks: Brush off excess marinade (not all of it, just most) from the swordfish steaks. Place the swordfish steaks on the hot grill grates. Grill for about 5 to 7 minutes on one side, until you have good grill marks.

Turn over and cook for a few minutes longer, until the fish is just cooked through. Remove from heat and let rest a few minutes before serving.

Serve with slices of fresh lemon.

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Grilled Swordfish Steaks

Elise Bauer

Elise Bauer is the founder of Simply Recipes. Elise launched Simply Recipes in 2003 as a way to keep track of her family's recipes, and along the way grew it into one of the most popular cooking websites in the world. Elise is dedicated to helping home cooks be successful in the kitchen. Elise is a graduate of Stanford University, and lives in Sacramento, California.

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36 Comments / Reviews

No ImageGrilled Swordfish Steaks with Lemon Oregano Marinade

Did you make it? Rate it!

  1. Rich Binell

    Made it. Loved it. Thank you. Substituted paprika for the garlic because of allergy. Yummo.


  2. kat

    I pulled out what I thought was cooked grilled swordfish steaks from freezer. Turned out to be grilled center cut pork chops. Wanting something to help keep what I thought was swordfish from being too dry when reheated, (turned out to be pork) I marinated the cooked pork in this recipe (less add’l lemon slices) and microwaved it. What an AWESOME marinate. Even though it didn’t seem to penetrate the pork chop, when cut and marinade drizzled over it 0MG it was great. What else do you think this marinade would do well on?

    Show Replies (1)
  3. Zofia

    It was delicious! Great recipe thank you. Instant hit look forward to making it again soon.


  4. Cheryl

    Our go to dish when company is coming. Delicious, easy to prepare, and no lingering fish odor.


  5. Maureen

    Best sword fish recipe! I’ve made this theee times now… I left out the fennel. Fish was so moist delicious flavor


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Grilled Swordfish Steaks with Lemon Oregano MarinadeGrilled Swordfish Steaks with Lemon Oregano Marinade