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Mattress Firm Outlet - Lake Grove

3170 Middle Country Road Lake Grove, NY 11755
(631) 585-0003
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Store Hours
Monday 10:00am - 9:00pm
Tuesday 10:00am - 9:00pm
Wednesday 10:00am - 9:00pm
Thursday 10:00am - 9:00pm
Friday 10:00am - 9:00pm
Saturday 10:00am - 9:00pm
Sunday 10:00am - 7:00pm
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Upgrade Your Sleep Sale: Save up to $600 + FREE adjustable base³ on select mattresses. Upgrade Your Sleep Sale: Save up to $600 + FREE adjustable base³ on select mattresses.

Popular Mattresses & Accessories to Try In Store.

Sleepy's Deluxe Rakuna Jigsaw Platform Bed | Queen
Sleepy's Deluxe Rakuna Jigsaw Platform Bed | Queen
$649.99
35
new
Sealy SX Box Spring Foundation | Queen
Sealy SX Box Spring Foundation | Queen
$275.0
275
new
Stearns & Foster SX4 Box Spring Foundation | Queen
Stearns & Foster SX4 Box Spring Foundation | Queen
$315.0
653
new
Sealy Ease Adjustable Base | Queen
Sealy Ease Adjustable Base | Queen
$1049.0
4478
Sealy Posturepedic Elite Albany II 14
Sealy Posturepedic Elite Albany II 14" Firm Mattress | Queen
$1699.0
507
limited deal
Purple Queen Mattress | Medium Original
Purple Queen Mattress | Medium Original
$1499.0
30102
Beautyrest Black Series Three 15
Beautyrest Black Series Three 15" Firm Mattress | Queen
$3799.0
1941
only at mf
Sleepy's Signature Platform Bed Frame | Queen
Sleepy's Signature Platform Bed Frame | Queen
$159.99
1801
Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base | Twin XL
Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base | Twin XL
$2599.0
968
new
Sealy Posturepedic Ashurst II 13
Sealy Posturepedic Ashurst II 13" Medium Mattress | Twin
$799.0
255

Nearby Stores

  • Mattress Firm Port Jefferson Station
    5.4 mi
    4840 Nesconset Highway
    Port Jefferson Station, NY 11776
    (631) 474-0378
    Directions Store Details
  • Mattress Firm Sayville
    7.1 mi
    5640 Sunrise Highway
    Sayville, NY 11782
    (631) 244-3702
    Directions Store Details
  • Mattress Firm Patchogue
    8.5 mi
    104 Sunrise Highway
    Patchogue, NY 11772
    (631) 289-2183
    Directions Store Details
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Mattress Firm Location in Lake Grove, NY

Located in the heart of Lake Grove, New York, Mattress Firm Clearance Center on Middle Country Road offers a shopping experience tailored to the diverse needs of this bustling Long Island community. Just minutes from the popular Smith Haven Mall, this location serves shoppers looking for top-quality sleep solutions after a day of retail therapy. Lake Grove is also home to beautiful parks like Percy B. Raynor Memorial Park, where locals enjoy outdoor activities year-round. Understanding the active lifestyles of Lake Grove residents, our knowledgeable staff is dedicated to helping you find the perfect mattress for optimal comfort, whether you’re unwinding after a day of shopping or enjoying the many recreational offerings in the area. With a curated selection of top brands and personalized service, Mattress Firm Clearance Center in Lake Grove is your destination for better rest.

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