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Serta Five Star Mattress Tranquility 14-Inch Plush – King – Zoned Support, Pressure Relief, Cooling Comfort – Made in USA – Bed-in-a-Box – 100 Night Trial, 10-Year Limited Warranty

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Availability: Only 7 left in stock, order soon!
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Arrives Sunday, May 17
Order within 6 hours and 31 minutes
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Style: Level 4 Plush 14"


Size: King


Features

  • PLUSH FEEL - Great for side sleepers for extra comfort at the shoulders, hips and lower back.
  • ZONED LOWER BACK SUPPORT: 3-Zone Support Foam targets the lumbar and hip areas for improved alignment and full-body comfort throughout the night. PLUS GEL BAND SUPPORT: Gel foam lumbar support band provides support for the lower back and hips.
  • PRESSURE RELIEF: PillowSoft Aire Foam and Serta PillowSoft Foam provide enhanced cushioning, and ActivBalance Support Foam. COOLING GEL FOAM TECHNOLOGY: Cool Twist Gel Foam enhances airflow and heat dissipation for a refreshing sleep.
  • DURABLE SUPPORT FOR UNDISTURBED SLEEP: Durable coils reduce partner disturbance-provide lasting support across the mattress. BUILT TO LAST CERTIPUR-US CERTIFIED: Sleep soundly - CertiPur-US certified and backed by a 10-year limited warranty.
  • EASY SETUP MATTRESS-IN-A-BOX MADE IN USA: Delivered in a box and made in the USA with global components. Setup takes minutesjust Unbox, Unroll, Unwind.

Description

The Serta Five Star Mattress 14” Plush delivers comfort and convenience. Our mattress in a box fully expands quickly so you can sleep on it right away. This quilted innerspring mattress features our individually-wrapped coil system for durability and all-night support. PillowSoft Aire Foam offers airflow and enhanced cushioning for exceptional comfort. Plus, Serta PillowSoft Foam provides gentle contouring support while CoolTwist Gel Memory Foam for additional cooling comfort. Looking for lower back care? A gel foam band provides our signature zoned comfort for the lumbar and hips. CoolTwist Gel Foam helps dissipate heat and Cool-to-the-touch CoolFeel Fabric helps you to rest well and wake up refreshed. The Serta Five Star Mattress—from box to bed in seconds.

Brand: Serta


Size: King


Product Dimensions: 79.5"L x 76"W x 14"Th


Item Weight: 114.48 Pounds


Item Firmness Description: Plush


Top Style: Tight Top


Number of Layers: 10


Fill Material: Memory Foam


Color: Blue


Model Name: Five Star Mattress Tranquility 14" Plush Mattress in a Box


Product Dimensions: 79.5 x 76 x 14 inches


Item Weight: 114.5 pounds


Manufacturer: Serta Simmons Bedding, LLC.


Item model number: 50


Thickness: 14 Inches


Refill: Memory Foam


Batteries required: No


Included Components: Mattress


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 17

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Worth the purchase
Style: Level 3 Medium 10" Size: Twin
Great sturdy but still soft mattress. We opened it and let it settle for 2 days before putting it on the bed. My kid says it’s very comfortable and has slept like a champ.
Reviewed in the United States on November 14, 2025 by Andrea McCue

  • Nice!! Very comfortable
Style: Level 3 Medium 10" Size: Twin
My daughter loved this mattress!! So I would buy it again.
Reviewed in the United States on January 17, 2026 by Raphael Logato

  • Buy it!
Style: Level 3 Firm 12" Size: Twin
Great quality and comfortable
Reviewed in the United States on January 21, 2026 by Debra

  • Too short, not the normal twin size
Style: Level 2 Medium 8" Size: Twin
This mattress is only 71" long, and the description says it is 74" long. It is unusually short, and it is super disappointing. We always buy Serta, but this mattress is defective. DO NOT buy this mattress. The cheaper brands would be better so that they would at least fit the bed frame. Very disappointing. ... show more
Reviewed in the United States on December 21, 2025 by Bloopfish

  • Size is not big enough
Style: Level 3 Plush 10" Size: Full
My bed is a full size. I measured everything before I bought. This mattress is about 2 inches smaller than it should be all the way around. It is a great mattress but I have to buy wedges to get it to fit.
Reviewed in the United States on November 30, 2025 by Lisel Sipes

  • Soft but strong
Style: Level 3 Plush 10" Size: King
Amazing so comfortable and easy to set up
Reviewed in the United States on January 1, 2026 by Lauren Bonwit

  • Amazing mattress!
Style: Level 3 Plush 10" Size: Queen
This mattress is amazing. You can trust serta. Previous to this one I had a serta perfect sleeper mattress which was used for over 10 years. It became too soft but it lasted a long time. Now this one gives me the support my back needs. I was worried the plush mattress would be too soft and not offer support but it is perfect. If you lay flat on it it gives great support and is not hard. I sleep great now. If you want a mattress that isn't too firm but offers support, this is a great choice. It does have a light smell, just like any new mattress would, but once you put sheets on it you can't smell it. And I'm sure the smell eventually goes away. ... show more
Reviewed in the United States on September 10, 2025 by Amazon Customer

  • Want to buy another
Style: Level 3 Plush 10" Size: Full
Bought this for my daughter and I would like to purchase for myself. It is very comfortable and extremely easy to setup. It is very heavy, so have help bring it inside.
Reviewed in the United States on January 19, 2026 by Rachel

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