Is the Saatva Rx+ good for side sleepers?

Yes. It is designed around side sleeping, with a plush pillow top and gel-infused memory foam that cushion the shoulders and hips.

How firm is the Saatva Rx+?

It is Saatva's plush, soft model. Back and stomach sleepers, or heavier sleepers who want support, usually prefer a firmer mattress.

Does the Saatva Rx+ need a box spring?

No box spring is required. It works on an adjustable base, a platform bed or a slatted frame; the foundation is not included.

Is the Saatva Rx+ hot to sleep on?

It uses gel-infused memory foam and a coil core, which owners say sleep cooler than typical memory-foam mattresses.

What sizes does the Saatva Rx+ come in?

It is offered in standard sizes including Cal King, which measures 72 by 84 inches.

When is the Saatva Rx+ cheapest?

The best new price seen is $1,349.97 at eBay as of November 8, 2026. Mattress prices often drop around major holiday sales.

Where is the Saatva Rx+ Mattress cheapest?

At eBay, for $1,349.97, as of our latest check.

Where can I buy the Saatva Rx+ Mattress?

2 stores we checked sell it, including eBay, Saatva.

Saatva Rx+ Mattress

Best price now

$1,349.97at eBayObserved at 7:07 AM

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission.

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Our take on the Saatva Rx+ Mattress

The Saatva Rx+ is a plush hybrid mattress built for side sleepers who want deep pressure relief, with gel-infused memory foam over recycled steel coils and a patented Lumbar Zone quilting. It is a pillow-top design with an organic cotton cover, CertiPUR-US and GREENGUARD Gold certifications, and an antimicrobial treatment. The best new price is $1,349.97 at eBay as of November 8, 2026, with 2 stores listing it new.