From ultra-firm to extra plush, Serta king mattresses offer a broad range of comfort levels to give stomach, side, and back sleepers the best possible rest. Selections from this top brand in innerspring, memory foam, and hybrid designs make it easy to find a Serta king mattress to match any preference.

Serta king mattresses from the label's iComfort line include technologies to relieve pressure points and dissipate excess heat all night long. The Perfect Sleeper series uses multiple layers of materials to deliver custom support and reduce motion transfer. For a high standard of quality and state-of-the-art features, consider a Serta king mattress.