Sorry, the Beautyrest Harmony Tides Extra Firm Full Mattress is no longer available. We've left this page up for reference only. Check out the great alternatives on this page or call 248-481-2208 or Chat with a Gardner White Sales Specialist about similar products.

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Beautyrest Harmony Tides Extra Firm Full Mattress

4.0 (10) Reviews TIDESXF4/6MATT


  • Motion Separation


Elevated, sustainable comfort with Seaqual fabric technology

Step up to the Beautyrest Tides Extra Firm Series for even more natural comfort and enhanced sustainability! Our new Beautyrest Charcoal Memory Foam is infused with charcoal and provides natural cooling. These models also feature the Targeted Support System powered by T1 Pocketed Coil Technology and NaturalCool with cooling Tencel yarns. Beautyrest Tides Extra Firm Series features our exclusive partnership with Seaqual, and each model offers enhanced sustainability by recovering the equivalent of 25 water bottles from our oceans for each Queen mattress. Our extra firm model offers an ultra-supportive feel with no sinking feeling.

What's Inside

Antimicrobial Mattress Protection

Beautyrest Harmony features Antimicrobial Mattress Protection, keeping your mattress fresh and clean from odor causing bacteria

This product does not protect users or others against bacteria, viruses, germs or other disease organisms.


Features eco-friendly Tencel yarn for exceptional breathability and moisture management to help keep your mattress fresh and cool for a great night's sleep.

1" AirCool Foam

Get cool, comfortable sleep with AirCool Foam which has a channeled design that allows airflow through the mattress.

1/2" Beautyrest Charcoal Memory Foam

Premium plant-based memory foam infused with charcoal provides natural cooling.

T1 Pocketed Coil Technology

This patented, dual-stage coil design was invented by Beautyrest and provides additional support under heavier compression.

*NOTE: Measurements are approximate and may vary +/- 1.5”



Ultra Firm

Brand Beautyrest
Mattress Type Innerspring
Size Full
Height 54.00"
Width 13.00"
Depth 75.00"
Works With Adjustable Base? Yes
Profile Height 13"
Warranty 10 Year Limited
Customer Reviews 4.0 (10) Reviews

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Need Help Choosing a Mattress?

The mattress experts at Gardner White have your back! Our Mattress Buying Guide can help you cut through all the confusion when you're shopping for a new mattress. Decades of collective experience went into creating the perfect guide for mattress shopping, check it out now!

We've also developed a list of the Best Mattresses of 2024. These include the Best Innerspring Mattress, the Best for Back Pain, and the Best Cooling Mattress among ten other 'Best Of' models. If you're looking for the best of the best in a new mattress, this list is your go-to guide to find youre perfect fit!

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