In 13 U.S. markets, over half of active properties are priced at $1 million or more, making high-end pricing the market norm. Nantucket leads with 99% of homes above $1 million, followed by Jackson, WY, and Vineyard Haven, MA. Luxury markets face geographic and supply constraints, driving prices higher. Ultra-luxury thresholds vary widely, with some resort areas reaching up to $59.2 million. National entry-level luxury homes average near $1.25 million.