Serta Twin XL Size Mattresses
Sale Ends 
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Twin XL Serta Perfect Sleeper Hotel Bronze Suite Supreme II Plush Double Sided 10 Inch Mattress 2 PackFREE DeliveryFrom $1,358.00
To $1,676.00
Reg: $1,679.00 You save $420.00!
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Twin XL Serta iComfort Hybrid Blue Fusion 100 Firm 12 Inch MattressCloseout! Save $200!From $549.00
To $2,127.00
Reg: $749.00 You save $200.00!
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Twin XL Serta Perfect Sleeper Elkins II Plush Euro Top 10 Inch MattressFREE DeliveryFrom $528.00
To $2,106.00
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Twin XL Serta iComfort Blue Max 1000 Cushion Firm 12.5 Inch MattressExtra 10% Off Coupon!From $1,449.00
To $3,027.00
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Twin XL Serta Perfect Sleeper Elkins II Plush 9 Inch MattressFREE DeliveryFrom $628.00
To $2,206.00
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Twin XL Serta Perfect Sleeper Hotel Congressional Suite Supreme II Euro Pillow Top Double Sided 13 Inch Mattress 2 PackFREE DeliveryFrom $1,531.00
To $1,849.00
Reg: $1,909.00 You save $477.00!
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Twin XL Serta Perfect Sleeper Hotel Congressional Suite Supreme II Euro Pillow Top Double Sided 13 Inch Mattress20% Off!From $938.00
To $1,176.00
Reg: $1,049.00 You save $210.00!
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Twin XL Serta Perfect Sleeper Elkins II Firm 9 Inch MattressFREE DeliveryFrom $528.00
To $2,106.00
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Twin XL Serta iComfort Hybrid Blue Fusion 300 Plush Pillow Top 14 Inch MattressCloseout! Save $400!From $849.00
To $2,427.00
Reg: $1,149.00 You save $300.00!
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Twin XL Serta iComfort Hybrid Blue Fusion 200 Plush 13.5 Inch MattressCloseout! Save $300!From $649.00
To $2,227.00
Reg: $949.00 You save $300.00!
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Serta iComfort CF3000 Plush 12.5 Inch Twin XL Mattress Only OVML022009 - Overstock Model "As-Is"Extra 50% Off Coupon!From $1,269.00
To $1,437.00
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Twin XL Serta Perfect Sleeper Hotel Sapphire Suite II Firm Double Sided 14 Inch Mattress20% Off!From $1,098.00
To $1,336.00
Reg: $1,249.00 You save $250.00!
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Twin XL Serta Perfect Sleeper Hotel Presidential Suite II Euro Pillow Top Double Sided 14.25 Inch Mattress20% Off!From $1,198.00
To $1,436.00
Reg: $1,379.00 You save $280.00!
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Twin XL Serta Perfect Sleeper Hotel Concierge Suite II Firm Double Sided 12 Inch Mattress20% Off!From $978.00
To $1,216.00
Reg: $1,099.00 You save $220.00!
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Twin XL Serta Sleep True Alverson II Plush Euro Top 13 Inch MattressFREE DeliveryFrom $578.00
To $2,156.00
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Twin XL Serta Perfect Sleeper Hotel Sapphire Suite II Euro Top Double Sided 14.25 Inch Mattress20% Off!From $1,098.00
To $1,336.00
Reg: $1,249.00 You save $250.00!
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Twin XL Serta Perfect Sleeper Elite Trelleburg II Firm 11.5 Inch MattressExtra 10% Off!From $888.00
To $2,466.00
Reg: $879.00 You save $90.00!
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Twin XL Serta iComfort CF3000 Plush MattressExtra 10% Off Coupon!
From $1,249.00
To $2,827.00
Reg: $1,449.00 You save $200.00!
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Twin XL Serta Perfect Sleeper Hotel Sapphire Suite II Plush Double Sided 14 Inch Mattress20% Off!From $1,098.00
To $1,336.00
Reg: $1,249.00 You save $250.00!
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Twin XL Serta iComfort CF2000 Firm MattressExtra 10% Off Coupon!From $949.00
To $2,527.00
Reg: $1,149.00 You save $200.00!
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Twin XL Serta iComfort Blue 300 CT Plush 11 Inch MattressExtra 10% Off Coupon!From $1,149.00
To $2,727.00
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Twin XL Serta Perfect Sleeper Hotel Signature Suite II Firm Double Sided 13.25 Inch Mattress 2 PackFREE DeliveryFrom $1,681.00
To $1,999.00
Reg: $2,109.00 You save $527.00!
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Twin XL Serta Perfect Sleeper Hotel Presidential Suite II Euro Pillow Top Double Sided 14.25 Inch Mattress 2 PackFREE DeliveryFrom $1,996.00
To $2,314.00
Reg: $2,529.00 You save $632.00!
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Twin XL Serta iComfort CF4000 Firm MattressExtra 10% Off Coupon!From $1,449.00
To $3,027.00
Reg: $1,849.00 You save $400.00!
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Twin XL Serta iComfort Hybrid Blue Fusion 1000 Plush Pillow Top 14.5 Inch MattressCloseout! Save $300!From $1,349.00
To $2,927.00
Reg: $1,649.00 You save $300.00!
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Twin XL Serta Perfect Sleeper Hotel Congressional Suite Supreme II Plush Double Sided 12.5 Inch Mattress20% Off!From $918.00
To $1,156.00
Reg: $1,029.00 You save $210.00!
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Twin XL Serta iComfort Hybrid CF3000 13.5 Inch Plush MattressExtra 10% Off Coupon!From $1,249.00
To $2,827.00
Reg: $1,449.00 You save $200.00!
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Twin XL Serta Perfect Sleeper Hotel Signature Suite II Firm Double Sided 13.25 Inch Mattress20% Off!From $1,018.00
To $1,256.00
Reg: $1,149.00 You save $230.00!
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Twin XL Serta Perfect Sleeper Hotel Concierge Suite II Plush Double Sided 12 Inch Mattress20% Off!From $978.00
To $1,216.00
Reg: $1,099.00 You save $220.00!
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Twin XL Serta iComfort Hybrid Blue Fusion 4000 Plush Pillow Top 16 Inch MattressCloseout! Save $400!From $1,949.00
To $3,527.00
Reg: $2,349.00 You save $400.00!
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Twin XL Serta Perfect Sleeper Elite Trelleburg II Plush 11.5 Inch MattressExtra 10% Off!From $888.00
To $2,466.00
Reg: $879.00 You save $90.00!
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Twin XL Serta Perfect Sleeper Select Kleinmon II Firm Pillow Top 13.25 Inch MattressExtra 10% Off!From $818.00
To $2,396.00
Reg: $799.00 You save $80.00!
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Twin XL Serta Perfect Sleeper Hybrid Standale II Luxury Firm 13 Inch MattressFREE DeliveryFrom $811.00
To $2,389.00
Reg: $949.00 You save $237.00!
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Twin XL Serta Perfect Sleeper Hotel Bronze Suite Supreme II Plush Double Sided 10 Inch Mattress20% Off!From $858.00
To $1,096.00
Reg: $949.00 You save $190.00!
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Twin XL Serta Perfect Sleeper Elite Trelleburg II Plush Pillow Top 14.25 Inch MattressExtra 10% Off!From $948.00
To $2,526.00
Reg: $949.00 You save $100.00!
Serta Twin XL Size Mattress
Serta Twin XL mattresses are a great solution for tall individuals looking for a compact and cost-effective mattress. Serta has held the title of top mattress brand in America for several years, and you can expect every Serta mattress to be a quality product and a good value.
How long is the Serta Twin XL? Twin XL mattresses measure 39 by 80 inches, and Serta mattress sizes are the same as the industry standard. To compare s Twin XL vs Twin mattress, a Twin XL simply adds five inches of length. You can find more information about mattress sizes by checking out our mattress size information page.
If you are an extra tall individual shopping for a single sleeper mattress, a Twin XL Serta is a great way to go. Serta offers over two dozen different models in the Twin XL size, including different types, price points, and Comfort Scale ratings (learn more about our Comfort Scale). Twin XL mattresses are suitable for tall individuals who don't want to spend extra money or take up unnecessary floor space with a larger size, and they work great where space is an issue such as a dorm room. Twin XL size mattresses are also great for the bedrooms of growing teens, ensuring they don't outgrow their bed without taking up too much of the room. All in all, a Twin XL size Serta mattress is a no-brainer for those who want a dependable mattress at a good value, and plenty of options to make sure you get a good match.
- 39 x 75 inches
- Serta is the #1 mattress brand in America
- Over two dozen options to match your sleep preferences
- Memory foam, gel, innerspring, and hybrid options
- Ideal for tall single sleepers and growing teens