How Long to Boil Lobster Tails?

How Long to Boil Lobster Tails (Without Overcooking Them!)

So, you’ve got lobster tails sitting in your fridge (or freezer) and you’re wondering—how long do I actually boil these things? Don’t worry, you’re not about to ruin an expensive dinner. Boiling lobster tails is way easier than it sounds. Once you get the timing right, it’s pretty much foolproof.

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Whether your tails are fresh, thawed, or still frozen solid, this guide breaks down exactly how long to boil them, plus a few tips to make sure they come out juicy, tender, and restaurant-level delicious.

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How Long to Boil Lobster Tails

The biggest factor here is size—and whether they’re thawed or frozen. Use this as your quick cheat sheet:

Tail SizeThawed Cooking TimeFrozen Cooking Time
3–4 oz3–4 minutes6–8 minutes
5–6 oz5–6 minutes8–9 minutes
7–8 oz6–7 minutes9–10 minutes
9–10 oz7–8 minutes10–11 minutes
10–12 oz8–9 minutes11–12 minutes

These times start once the water comes back to a boil after you drop the tails in. And yes, it’s quick—you’re just minutes away from buttery lobster bliss.

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Step-by-Step: How to

  1. Thaw if you can. The best texture comes from thawed tails. Leave them in the fridge overnight or soak in cold water for about 30 minutes if you’re short on time.
  2. Boil your water. Fill a big pot so the tails will be fully submerged. Add about 1 tablespoon of salt per quart of water. This seasons the lobster as it cooks.
  3. Add the lobster tails. Carefully drop them into the boiling water. You’ll see the shells turn bright red as they cook.
  4. Cook and check. The meat should turn white and opaque, with an internal temperature of around 140–145°F. If it’s still translucent, give it another minute.
  5. Drain and serve. Lift them out with tongs and let them rest for a minute. Then crack them open, dip in melted butter, and enjoy.

Tips for Perfect Lobster Tails Every Time

  • Watch the clock. Overcooked lobster gets rubbery fast, so set a timer.
  • Don’t crowd the pot. Give the tails space to cook evenly.
  • Add a flavor boost. Toss in lemon slices, garlic, or even a splash of white wine for a subtle aroma that makes it feel like a fancy restaurant dinner.

FAQs About Boiling Lobster Tails

Do I need to thaw lobster tails first?
Not necessarily. You can boil them straight from frozen—just add 2–3 extra minutes. Thawing first does give a slightly softer, more even texture, though.

How can I tell when they’re done?
Look for bright red shells and firm, white meat. If it’s still a little see-through, it needs another minute or so.

Can I season the water?
Definitely. Salt is a must, but you can also add garlic cloves, bay leaves, or a dash of Old Bay for a nice kick.

What should I serve with boiled lobster tails?
Keep it classic with melted butter and lemon juice, or go bold with garlic butter brushed on top and a quick broil for 30 seconds to finish.

Can I save leftovers?
Yes! Store the cooked lobster meat in an airtight container in the fridge for up to two days. It’s perfect for lobster rolls, pasta, or even tossed on a salad.


Boiling lobster tails might sound fancy, but once you try it, you’ll realize it’s one of the easiest seafood dishes to make at home. Just a pot of boiling water, a few minutes on the timer, and you’ve got a buttery, impressive dinner on the table.

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