Siesta Beach in Siesta Key, Florida, has been crowned the best beach in the United States in Tripadvisor’s 2025 Travelers’ Choice Awards. Known for its soft white quartz sand and clear, shallow waters, the beach offers a family-friendly atmosphere. Visitors can relax at nearby cafes and oyster bars or enjoy kayaking tours to spot wildlife like manatees and dolphins. Siesta Key, an eight-mile barrier island off Sarasota’s coast, provides beachfront lodging, charming small-town vibes, and a free trolley service. The ideal times to visit are April-May and September-October when the weather is mild and crowds are fewer.