Beautyrest Harmony Lux Coral Island Medium
GoodBed Expert Review
Our Take on Beautyrest Harmony Lux Coral Island Medium

Founder of GoodBed, Leading Mattress Expert
- Want a medium-soft mattress (i.e., just a little softer than average)
- Are either a back or side sleeper, especially if you weigh 200 lb or less
- Often sit or sleep along the edge of your bed (edge support is very good)
- Prefer a below average amount of 'memory feel'
- Enjoy sleeping just a bit more 'in' your mattress than 'on' it
- Are a stomach sleeper, especially if you weigh more than 250 lb
- Don't like much bounce in your mattress
- Have a strong tendency to sleep hot (temperature regulation is pretty good, but not the best)
- Want a natural or organic mattress
Beautyrest Harmony Lux Quilted Mattresses Overview
GoodBed Editorial
Before buying one of the quilted mattresses in Beautyrest's Harmony Lux collection, check out our detailed overview of these mattresses.
See our full reviewMaterials & Construction
Cover | 2.25″ quilted cover ("InfiniCool MAX w/ plant-based cooling and RightTemp Foam") |
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Comfort Layers |
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Transition Layers | 1.5″ poly foam ("Medium Comfort Foam") |
Support Layers |
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Total Thickness | 13.75'' |
Compare These Products
Beautyrest Harmony Lux Coral Island Medium vs. Other Beds
Compare the Beautyrest Harmony Lux Coral Island Medium mattress side by side with other Beautyrest models, or with mattresses from other brands.
Where to Buy
Beautyrest Harmony Lux Coral Island Medium

Beautyrest Online Seller
- Free delivery
- 100-day return policy
- Financing available
Frequently Asked Questions
Beautyrest Harmony Lux Coral Island Medium
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In our evaluation of the Beautyrest Harmony Lux Coral Island Medium mattress, we found it to be a Medium-Soft (6) on the GoodBed rating scale (1= firmest, 9 = softest).
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Mattress matching is highly personal. This is why GoodBed refuses to publish bogus "best mattress" lists and instead created an advanced mattress matching tool called the GoodBed Quiz. This quiz can assess your requirements in just a few minutes, and then calculate your personal Match Score for the Beautyrest Harmony Lux Coral Island Medium mattress, along with any of the other 800+ mattresses that we've evaluated.
To see your Match Score for the Beautyrest Harmony Lux Coral Island Medium, simply use this link to take the GoodBed Quiz. Your Match Score for this mattress will be shown at the top of your quiz results, and will include a detailed explanation of how it matches up with your personal mattress requirements. Each Match Score is based on over 50 different Mattress DNA™ attributes that we measure through our proprietary mattress testing framework.
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Yes, the Beautyrest Harmony Lux Coral Island Medium mattress is adjustable base compatible. This means it is designed to be used on an adjustable base without incurring damage or voiding the warranty. In our review of this mattress, we tested it on an adjustable base to look for any adverse effects as the head and foot are elevated, and to see how well it conforms to the contours of the base both with and without the weight of a sleeper. Overall, we found the Coral Island Medium to have good adjustable base compatibility.
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Here are the in-home trial details for mattresses purchased from the Beautyrest website:
- Policy: Comfort Guarantee -- Mattresses can be returned for refund for up to 100 days
- Fees: Returns refunded in full.
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Here are the delivery terms for mattresses purchased from the Beautyrest website:
- Policy: Delivery available - Free with any mattress purchase
- Set-up: Set-up provided free with delivery
- Removal: Removal of old mattress provided free with delivery
- Timing: After placing your order on Beautyrest.com, your mattress will arrive within 4-14 days.
- Notes: FREE white glove delivery with every mattress.
Expert Q&A
See questions from other mattress buyersOther Models from Beautyrest
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Beautyrest Harmony Lux Anchor Island Firm
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Beautyrest Harmony Lux Anchor Island Medium Pillow Top
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Beautyrest Harmony Lux Anchor Island Plush
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Beautyrest Harmony Lux Anchor Island Plush Pillow Top
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Beautyrest Harmony Lux Coral Island Extra Firm
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Beautyrest Harmony Lux Coral Island Firm Pillow Top
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Beautyrest Harmony Lux Coral Island Plush Pillow Top
Additional Information
General Description
The Lux Experience
- Our Harmony Lux models feature a lofty, quilted top perfect for those who prefer a lifted feel. Lux models deliver more cooling and better support than Harmony models, with Coral Island models offering our most advanced cooling and up to 2x more memory foam than Anchor Island models.
Lush Sleep Surface
- Lush sleep surface made with up to 100 plastic bottles diverted from the ocean*.
Cooling Comfort
- InfiniCool MAX - Three layers of active cooling deliver comfortable sleep through surface level cooling fibers, plant-based cooling technology + carbon-infused foam.
Advanced Pressure Relief
- Beautyrest ActiveResponse Memory Foam - Up to 2x the amount of memory foam helps alleviate aches and pains caused by pressure for maximum relief.
Consistent Support and Advanced Motion Isolation
- Precision Support System - Consistent, head-to-toe support across the entire mattress and advanced motion isolation with 40% more support coils than Harmony models**.
*Based on queen model
**Harmony Lux includes double-stranded T2 Pocketed Springs
Proudly Assembled in the USA.
Warranty
- Length: 10-year warranty.
- Indentation coverage: 1.5" and deeper.
- Other Notes: Warranty Code A.
About This Model
Status | Active (released 2023) |
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Manufacturer | Beautyrest |
Line | Beautyrest Harmony Lux |
Collection | Beautyrest Harmony Lux (Quilted) |
Comfort Level | Medium-Soft |
Surface Type | Tight Top |
Support Type | Innerspring |
Build Details |
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Corrections
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