The Beautyrest Harmony Lux, specifically the higher end Coral Island model we've tested here, comes in four levels of firmness: Plush Pillow Top, Medium, Firm Pillow Top, and Extra Firm.

Firm Beautyrest mattress models should fall around a 6-7 on the firmness scale, making them best for heavier combination sleepers over 230 pounds, back and stomach sleepers.

Prices for Beautyrest mattresses on its website start around $800 for its budget mattress in the smallest size up to almost $3,500 for a California king in its most luxurious option.

Ahead of Fourth of July 2025, Mattress Firm is offering deals of up to 60% off on its most popular models from top mattress brands like Tempur-Pedic, Sealy, Nectar, Beautyrest and more.