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Limited time! Get a $50 statement credit when you open an account & use it to make $30 in eligible Sam’s Club purchases within 30 days.¹

¹Offer subject to credit approval. During the offer period, new accounts that qualify will earn a $50 statement credit instead of a $30 statement credit that you may see otherwise advertised. To qualify, you must (i) apply and be approved for a Sam’s Club credit card account between June 24, 2026—July 7, 2026 and (ii) use your new account to make Sam’s Club purchases totaling $30 or more (excluding cash advances, gift card sales, alcohol, tobacco and pharmacy purchases) within 30 days of date of account opening. When you open an account online or with your mobile device, purchases cannot be made at in-club registers until the physical card is received. Your physical card should arrive in 7–10 business days from date of account opening. A $50 credit will post to the account within 90 days after the qualifying purchases are made. Offer is valid for newly opened accounts only and each account is eligible for only one $50 offer, in lieu of, and not in addition to, any advertised $30 offer.

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Serta Classic Harbor Creek Firm Mattress

Instructions

<h4>Exclusive to Sam's Club Members. Featuring a soft, breathable cover, PillowSoft® Aire foam, and an 800-density coil support system, this mattress helps you sleep comfortably and wake ready to ease into your day. With 3 zones for lower back support, this mattress balances cool breathability with responsive support for a classically comfortable rest.ble memory foam helps enhance airflow and heat dissipation for a cool, contouring type of comfort. Finally, a 800-coil density system provides contouring, cradling support and minimizes motion transfer.</h4> <h3>100 Night In-Home Trial</h3> <p>It takes time to adjust to your new mattress which is why we want to give Sam’s members up to 100 nights to try it risk-free (trial period starts on the day of delivery). If you aren’t 100% satisfied with your purchase, you can return your mattress or mattress set for a full refund. If you feel the mattress may be defective, please reach out to our Serta Simmons Customer Service team to discuss options under the 10-year limited warranty.</p> <h3>Serta Always Comfortable</h3> <p>The Serta mattress was designed with you in mind. Serta mattresses undergo rigorous performance and durability testing to ensure yours is as comfortable on the 1000th night as it was on the first night. To take it one step further, Serta also tests individual components, giving you Serta quality and durability down to the last stitch. Shop smart and sleep comfortably.</p> <h3>Serta Mattress Order Process</h3> <p>All Serta mattresses are made to order. Please allow approximately 2-3 weeks for production and delivery.<br>   • Member will receive a call, text and email from our White Glove Delivery partner (RXO) to schedule delivery. <br>   • RXO will provide the 4-hour delivery window 24 hours before your scheduled delivery date. <br>   • Standard delivery hours are Monday through Friday 8am-5pm. <br>   • If delivery hasn’t been scheduled within 2 weeks of order date, Serta Simmons reserves the right to cancel and refund the order. <br>   • For any concerns or questions regarding your order please contact the Serta Simmons Sam’s Club team at (888) 802-2948.</p> <h3>White Glove Delivery: Set up and haul away</h3> <p>• Includes setup of the item(s) in the room of your choice. <br>   • Setup is not provided for any base or frame not delivered by RXO.<br>   • Removal &amp; disposal of an old mattress or set (excludes waterbeds, platform beds, adjustable bases or any other furniture).<br>   • The delivery agent can refuse pickup of any stained mattress and/or foundation for the safety of the drivers. <br>   • You may ask the delivery agent to move a used mattress to another room in lieu of removal.</p> <h3>Frequently Asked Questions</h3> <p>What bases are compatible with this mattress? Does it need a Boxspring?</p> <p>This mattress comes with a box spring, so a Adjustbale Base is not compatible to use.</p> <p>What is this weight limit for this mattress or mattress set?</p> <p>1000lbs</p> <p>What type of sleeper is the mattress best suited for?</p> <p>Firm - Ideal for stomach and back sleepers with extra support for heavier sleeper.</p> <p>Does this mattress have cooling properties?</p> <p>This mattress features a soft breathable cover and breathable memory foam.</p> <p>What is this weight of this mattress or mattress set?</p> <p>Please refer to the specifications tab located under "About this item"</p> <p>Does this include pocketed coils?</p> <p>Yes, this mattress features pocketed coils.</p> <p>Is this a Mattress in a Box?</p> <p>No, this is a traditional mattress with box spring</p> <p>What is the thickness of the mattress?</p> <p>This mattress has a height of 12" &amp; the box spring has a height of 9"</p>

Bed Size

Brand

<ul>  <li>Available in Twin, Twin XL, Full, Queen, King, California King</li>  <li>Options for 5.5" or 9" Box Spring available</li>  <li>Covered by Serta's 100 Night In-Home Trial</li>  <li>Featuring 3 zones for lower back support, breathable fabrics, and responsive coils for classic comfort</li>  <li>Available as mattress-only or mattress set; mattress set cannot be used on an adjustable base</li>  <li>Proudly 100% USA assembled &amp; features CertiPUR-US certified foams</li> </ul>

Specifications

flags

<ul>
<li>Available in Twin, Twin XL, Full, Queen, King, California King</li>
<li>Options for 5.5" or 9" Box Spring available</li>
<li>Covered by Serta's 100 Night In-Home Trial</li>
<li>Featuring 3 zones for lower back support, breathable fabrics, and responsive coils for classic comfort</li>
<li>Available as mattress-only or mattress set; mattress set cannot be used on an adjustable base</li>
<li>Proudly 100% USA assembled &amp; features CertiPUR-US certified foams</li>
</ul>

Size

Twin

Twin-XL

Full

Queen

King

California King

Style

+5" Box Spring

+9" Box Spring

Mattress Only

So at 50+ I appreciate a good mattress and a appropriate amount on help getting it.  Sams gave me lots of help loading the cart in store and loading it into my pickup.  Once home I got some help unloading.  I went firm no regrets at all.

Great mattress super price

Good stuff

Very comfortable mattress. Not soft with just the right amount of firmness. And for the price for a well known brand you can't beat it.

Great buy

My husband and I are very happy with this mattress.

Comfortable

The mattresses are a good value, especially since they’re just for the guest room.

Price!

The best bed I've ever had. I have been sleeping on the Harbor Creek Firm for months now, and it is incredible. It gives you the perfect amount of solid, firm support without feeling like a brick. If you want a mattress that actually holds up and keeps you comfortable night after night, this is it.

Best Bed ever!!!

Serta

Very soft and comfortable.  Sleep like a baby on this mattress. Love it.

New Harbor Creek Mattress feels so good and supportive. Definitely an upgrade from my old Casper mattress. Doesn't sink in and has helped alleviate the pain I was experiencing. If you're interested in a mattress that's firm and at a reasonable price this is for you

Feels so Good!

This mattress is everything we were looking for. Right price, right type (hybrid), right firmness and great store experience at West Branch Furniture.

Perfect Mattress

I love it, its firm but molds to your curves, with other brands my back was constantly hurting and since we bought Serta Harbor creek firm, oh its so perfect my body finally relaxes thank you Serta

Curves on your curves

We have had this mattress for 6 weeks and it already has developed a ridge in the middle and two saggy spots on both sides. We are not overweight people. 
We believe this mattress needs to be replaced.
Thank you

Not Good

Serta Classic Harbor Creek Firm Mattress

Freight shipping

Highlights

GhostBed InfraRest 12" Medium Foam Mattress and Adjustable Base Set