Best Costa Mesa (CA) Hotels With 18+ Check-In (Updated December 2024)

Welcome to Costa Mesa, the crown jewel of California's Orange County! Nestled between the sparkling beaches of Newport and the lush landscapes of Irvine, Costa Mesa is a sun-soaked paradise for young travelers yearning for a slice of the Californian lifestyle. From world-class shopping at South Coast Plaza to a pulsating arts scene at the Segerstrom Center, this vibrant city is sure to captivate your senses and keep you coming back for more. Whether it's food, fashion, or fun you're after, Costa Mesa's eclectic blend of coastal charm and urban sophistication makes it the ultimate destination for the 18+ traveler.

Below is a list of hotels and motels in Costa Mesa that allow reservations for guests under 21, including those aged 18, 19, and 20. From cheap options to more adult-focused accommodations, there's a variety of places to rent that fit your needs and preferences!

Please note that hotel policies regarding the minimum check-in age in Costa Mesa can change at any time. While we aim to keep our information updated, we recommend confirming the minimum age requirement with the hotel or motel before making a reservation.