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Get a $30 statement credit when you open an account and use it to make $30 in eligible Sam's Club purchases within 30 days¹.

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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> 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. <h3>Serta Always Comfortable</h3> 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. <h3>Serta Mattress Order Process</h3> All Serta mattresses are made to order. Please allow approximately 2-3 weeks for production and delivery. • Member will receive a call, text and email from our White Glove Delivery partner (RXO) to schedule delivery. • RXO will provide the 4-hour delivery window 24 hours before your scheduled delivery date. • Standard delivery hours are Monday through Friday 8am-5pm. • If delivery hasn’t been scheduled within 2 weeks of order date, Serta Simmons reserves the right to cancel and refund the order. • For any concerns or questions regarding your order please contact the Serta Simmons Sam’s Club team at (888) 802-2948. <h3>White Glove Delivery: Set up and haul away</h3> • Includes setup of the item(s) in the room of your choice. • Setup is not provided for any base or frame not delivered by RXO. • Removal &amp; disposal of an old mattress or set (excludes waterbeds, platform beds, adjustable bases or any other furniture). • The delivery agent can refuse pickup of any stained mattress and/or foundation for the safety of the drivers. • You may ask the delivery agent to move a used mattress to another room in lieu of removal. <h3>Frequently Asked Questions</h3> What bases are compatible with this mattress? Does it need a Boxspring? This mattress comes with a box spring, so a Adjustbale Base is not compatible to use. What is this weight limit for this mattress or mattress set? 1000lbs What type of sleeper is the mattress best suited for? Firm - Ideal for stomach and back sleepers with extra support for heavier sleeper. Does this mattress have cooling properties? This mattress features a soft breathable cover and breathable memory foam. What is this weight of this mattress or mattress set? Please refer to the specifications tab located under "About this item" Does this include pocketed coils? Yes, this mattress features pocketed coils. Is this a Mattress in a Box? No, this is a traditional mattress with box spring What is the thickness of the mattress? This mattress has a height of 12" &amp; the box spring has a height of 9"

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

<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

Type

+5" Box Spring

+9" Box Spring

Mattress Only

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

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

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

Price!

My husband and I are very happy with this mattress.

Comfortable

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!

Serta

My Dorian is so supportive! He caresses me is all the right places. It's difficult to leave him in the morning. All day I think about when I will return. My dreams are more vivid with my new Dorian Serta Classic!

Best Sleep Ever

My husband loves a firm mattress as he is a stomach sleeper. This mattress is very firm and supportive. Personally, I’d like to add a 2” memory foam topper as it’s almost too firm for me. But he loves it!

Great for belly sleepers!

It’s only been a week so, but it’s a far cry from other standard type mattress. Tried a hybrid and that was a no go. I’m pleased for my needs that this will be long standing a healer.

Firm means firm

Feels firm in the center, but I feel like if I roll in my sleep, I’ll fall off. Sitting on the edge is like trying not to slide off a hill. Otherwise I do sleep well once I get centered.

Lacks edge support

We just purchased this mattress (1/2026).  It’s lightweight but firm and comfortable.  I’m giving it three out of five stars because we just purchased it.

Harbor Creek Firm Mattress

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