Mattress Firm Coastal Grand Mall logo

Mattress Firm Coastal Grand Mall

Mattress Firm

Myrtle Beach, SC

4.9(766 reviews)
9 active offers6 store perks
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About Mattress Firm

Mattress Firm offers a wide selection of mattresses from top brands, including Tempur-Pedic, Purple, Sealy, and Sleepy's. They provide various promotions, such as the Memorial Day Sale with up to 60% off, and offer financing options like 0% interest with equal monthly payments on qualifying purchases. Customers can enjoy free and fast delivery, a low price guarantee, and a 120-night sleep trial. All mattresses are assembled in the U.S.

Current Promotions
Last updated Oct 23, 2026

Current homepage sales include up to $700 off, a free adjustable base with select mattresses, select price-point and bundle offers, clearance mattresses up to 70% off, $300 instant gifts, and an extra 15% off qualifying purchases.

  • Black Friday Sale: Save up to $700Expires: 2026-12-08Savings vary by product and model; valid only on models indicated; product selection may vary by store.
  • Free adjustable base with select mattressesSelect mattresses.
  • Queen beds under $500Queen beds.
  • Sleepy's By Sealy Spring Luna Euro Top mattress and adjustable base bundle
  • Any size for $249.99 on select mattressesSelect mattresses.
  • Up to 70% off select clearance mattressesSelect clearance mattresses; while supplies last.
  • $300 instant gift toward a total sleep solution
  • $300 instant gift on select Purple mattressesSelect Purple mattresses.
  • Get an extra 15% offQualifying purchase; available online or in-store.
Purchase Incentives
  • 0% interest with 72 equal monthly paymentsQualifying purchases with Mattress Firm credit card; subject to credit approval. For 60- and 72-month in-store purchases, taxes and delivery fees must be paid upfront.
  • Free and fast delivery
  • Free & Fast Delivery
  • Financing & Leasing
  • Low Price Guarantee
  • 120 Night Sleep Trial
Mattress Selection

Brands

Tempur-Pedic
Purple
Sealy
Sleepy's

Ideal for

teens
growing children
adults

Technology

memory foam
hybrid
innerspring

Assortment

Box Springs & Frames
Adjustable Bed Bases
Bedding
Furniture & More

Price range

$
$$
$$$
$$$$

Estimated price positioning for this store

What Your Neighbors Say

Real Google reviews from nearby shoppers

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Average rating 4.9 · 766 reviews

Last updated Apr 12, 2026

Eric Kravitz· 5★ · a month ago

Jeff was great! He was very easy to talk with an extremely helpful with his input as he assisted with her decision process! Very much appreciate having somebody like him in your company to represent you!

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Beth Smith· 5★ · a month ago

I had such a great experience at Mattress Firm! The gentleman who helped me (he wore glasses — I didn’t catch his name, unfortunately) made everything so easy and stress-free. The whole process was fast, smooth, and honestly just really good vibes from start to finish. He took the time to make it feel personal without being pushy, and I walked away with a great deal. I really appreciated how simple and comfortable he made the experience. Definitely recommend stopping by! 02/17/2026

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Debi Cross· 2★ · a month ago

Salesperson Melanie told us the delivery fee included set up and removal of the old bed. Not true! They will not dismantle the old bed or attach the new headboard. We had to pay the delivery drivers a larger tip so they would wait while we hastily disassembled the old bed. Melanie sold us an adjustable bed frame that is 4 -6 inches lower than an average adult height, it’s only 10 inches in height, maybe a five year olds height. She had a VERY snappy attitude when I called to ask what we could do to swap it out. Cannot recommend.

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Jessica S· 5★ · 3 months ago

Great experience. Jeff listened and was able to narrow it down to 2 mattresses. His first pick being the exact match to what we had in mind. He was great, honest and super friendly! He made the experience a breeze! Would absolutely recommend friends and family to go see him if they are in need of a mattress.

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Hunter Jacob· 5★ · 4 months ago

Thank you to Melanie for amazing help and service finding our new mattress. She didn’t hesitate to pull multiple different mattresses down for us to test out till we found the one we liked. Made shopping quick and easy and the Black Friday deals were amazing.

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