Beautyrest Black Mariela Plush


Next Day Delivery

Order by 3 PM
Regular Price: $2149.99
The Beautyrest BLACK® Mariela Plush is more than a mattress, it’s a haven for deep, restorative sleep that inspires your senses. Your Beautyrest Black® experience goes beyond mere comfort. It creates a restful escape where sleep is the ultimate luxury.
Beautyrest Black Mariela Plush

Next Day Delivery

Order by 3 PM
The Beautyrest BLACK® Mariela Plush is more than a mattress, it’s a haven for deep, restorative sleep that inspires your senses. Your Beautyrest Black® experience goes beyond mere comfort. It creates a restful escape where sleep is the ultimate luxury.

Mattress Overview


Sleep is the Ultimate Luxury.

Micro Diamond™ Memory Foam works with our Pocketed Coil springs to create our best conforming back support. Micro diamonds in the foam work to conduct heat away from the body to prevent overheating.

SurfaceCool® PLUS fiber, located at the surface of the bed, is designed to dissipate body heat away from the sleeping surface to help keep you comfortable throughout the night.

Our patented Advanced Pocketed Coil® Technology works to provide individualized back support, ease of movement, and pressure point relief throughout the night.




  • SurfaceCool Plus™ Fiber
  • 1 ¼” AirFeel® Foam
  • 1” Plush Comfort Foam


  • 1 ½” AirCool® Gel Memory Foam
  • 1” BlackICE™ Memory Foam
  • ½" Comfort Response Latex


  • Advanced Pocketed Coil®
  • 1 ½“ Energy Foam
  • Ventilated AirCool® BeautyEdge® Foam Encasement
  • Mattress Height (Approx.) 14.5"
  • 10 Year Warranty
  • Adjustable Friendly

Mattress Type
Innerspring Mattress

The support structure of innerspring mattresses is constructed using wire coils which can be made for firmer or softer support depending on their gauge. Because the coils are placed evenly throughout the mattress, an innerspring mattress has a strong border that prevents the “roll out” effect. A border wire attached to the perimeter coils helps to retain the shape of the mattress and reduce sagging.

Comfort Level
Plush Mattress

Plush mattresses are great for individuals looking for a cushioned, cradling sleep. The myth that firmer is better has long been proven invalid as each person's body has its own comfort level. Plush mattresses offer maximum cushioning, and Sit 'n Sleep carries a variety of Plush mattresses to provide you with the ultimate sleep experience.

Beautyrest Black Mariela Plush is rated 3.1 out of 5 by 15.
Rated 5 out of 5 by from Most incredible mattress! I purchased the Kate model of the Beautyrest black a year and a half ago. It is the only mattress I have ever owned where I do not wake up with aches, pains or numbness. It is a luxury firm pillowtop. I am surprised at the negative reviews. Of course mattresses will get body impressions as the foam breaks in--certainly not defective--just what happens over time. I am a larger fellow, 250 pounds, and I have very minimal body impressions where I have slept every night for the last 18 months. This is by far the best investment I've made for my sleep and my health!
Date published: 2017-01-30
Rated 1 out of 5 by from Body impression issues in less than 12 months We bought a Rosalyn in 2008. We think it started to sag before 2014. Finally got a replacement approved in 2015. Now early 2017, our replacement is showing huge impressions again. The bed is great for a few months. Wondering how many weeks it will take to get this bed assessed and warrentied.
Date published: 2017-01-21
Rated 5 out of 5 by from Awesome support I purchase the Beautyrest Black Kate about a year ago. It has changed my life. I have degeneration in my spine and my back had been going out at least once a month. I have had no back problems since I started sleeping on this set. It has slight body impressions which is normal and I rotate it every few months so the foams break in evenly as I want this comfort to last. Best investment I've made for my health.
Date published: 2017-02-06
Rated 2 out of 5 by from Sags after 2 years Not happy with the Black mattress. It began to sag after 2 years. It's a pillow top firm and shouldn't have sagged where I sleep
Date published: 2016-12-16
Rated 1 out of 5 by from poor quality Don't put a negative review in here they will pull it. Both box springs on the king Desiree I bought were delivered torn. I returned them and bought a different brand. Very poor fabric on the springs. See how long this review lasts my last review was taken down after 2 days. Apparently they don't allow poor reviews.
Date published: 2017-01-26
Rated 3 out of 5 by from Not What I Expected I bought our mattress a few months ago, it was awesome for the first few weeks, but it is not wearing well. There are indentations and soft spots, not what I would have expected from the beautyrest black.
Date published: 2016-12-25
Rated 5 out of 5 by from Best Bed Ever This is the best mattress ever and I have owned several over the years. My back aches have been reduced by about 70% and chiropractor visits reduced dramatically.
Date published: 2016-12-19
Rated 2 out of 5 by from Broke down faster than any bed I have ever had? After a few months this mattress started to wear faster than any mattress I have ever owned. For the price I expected better. My husband has more trouble sleeping now than ever. Looks like I will have to budget for a new bed and definitely not purchasing through same business.
Date published: 2017-01-08
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