The best places to buy a mattress in 2026 range from direct-to-consumer online brands like and Saatva to major retailers like Costco and Mattress Firm . According to Forbes Vetted , Helix is the top overall place to buy due to its sleep-quiz-driven personalization and wide selection, while Costco is frequently cited on Reddit for offering the best value, particularly on high-end brands like Stearns & Foster. Top Recommended Retailers Best Place To Buy A Mattress 2026 - Forbes Vetted