Best Ontario (CA) Hotels With 18+ Check-In (Updated November 2024)

Below is a list of hotels and motels in Ontario 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 Ontario 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.

Find 18+ Check-In Hotels In Your City

Top 18+ Hotels in Ontario

Other Hotels in Ontario Welcoming Guests Aged 18, 19, and 20

Yes, you can generally book a hotel room at 18 in Ontario, but many hotels have a minimum check-in age of 21. Policies vary, so it's best to check the hotel's website or call directly for confirmation.

Other Hotels From California You Can Check In When You're 18 Years Old

A Agoura Hills Ahwahnee Alameda Alhambra Alpine Alta Sierra Alturas Anaheim Anderson Angels Anza Apple Valley Arcadia Arcata Arnold Arroyo Grande Artesia Arvin Atascadero Auburn Avalon Avila Beach Azusa B Bakersfield Banning Barstow Bass Lake Beaumont Bell Gardens Bellflower Belmont Benicia Berkeley Beverly Hills Big Bear City Big Bear Lake Big Creek Bishop Blythe Bodega Bodega Bay Borrego Springs Boulevard Brawley Bridgeport Brisbane Brookdale Buellton Buena Park Burbank Burlingame Burney Buttonwillow C Calabasas Calexico Calipatria Calistoga Camarillo Cambria Campbell Capitola Carlsbad Carmel-by-the-Sea Carpinteria Carson Castaic Castro Valley Castroville Cathedral City Cayucos Challenge-Brownsville Chester Chico Chino Chula Vista Claremont Clearlake Clearlake Oaks Clio Cloverdale Clovis Coachella Coalinga Cobb Colfax Colton Commerce Compton Concord Corcoran Corning Corona Coronado Costa Mesa Covina Crescent City Culver City Cupertino Cypress D Daly City Dana Point Davis Del Mar Desert Hot Springs Diamond Bar Dixon Dorris Downey Duarte Dublin Dunsmuir Dutch Flat E Eastern Goleta Valley El Cajon El Centro El Cerrito El Monte El Portal El Segundo Emeryville Encinitas Escondido Eureka F Fair Oaks Fairfield Fallbrook Felton Ferndale Fillmore Fish Camp Folsom Fontana Foothill Farms Fort Bragg Fort Irwin Fortuna Fountain Valley Fremont Fresno Fullerton G Garberville Garden Grove Gardena Georgetown Geyserville Glen Ellen Glendale Glendora Goleta Grass Valley Gridley Groveland Guerneville Gustine H Half Moon Bay Hanford Hawthorne Hayward Healdsburg Hemet Hercules Hermosa Beach Hesperia Hollister Holtville Huntington Beach Huntington Park I Idyllwild-Pine Cove Independence Indian Wells Indio Inglewood Inyokern Irvine J Jackson Jamestown Jenner Joshua Tree Julian June Lake Jurupa Valley K Kelseyville Kernville King City Kings Beach Klamath L La Mesa La Mirada La Palma La Puente La Quinta Laguna Beach Laguna Woods Lake Arrowhead Lake Elsinore Lake Forest Lake Isabella Lakehead Lakeport Lancaster Lawndale Lebec Lee Vining Lemon Cove Lemoore Little River Livermore Livingston Lodi Loma Linda Lomita Lompoc Long Beach Los Alamitos Los Alamos Los Altos Los Angeles Los Banos Los Gatos Los Olivos Lost Hills Loyola Lynwood M Malibu Mammoth Lakes Manhattan Beach Manteca Marina Marina del Rey Mariposa Markleeville Martinez Marysville Maywood McCloud Mendocino Menifee Menlo Park Merced Midpines Millbrae Milpitas Mineral Mission Viejo Modesto Mojave Monrovia Montara Montclair Monte Rio Montebello Montecito Monterey Monterey Park Moorpark Moreno Valley Morgan Hill Morro Bay Moss Landing Mount Shasta Mountain View Murphys Murrieta Myers Flat N Napa National City Needles Nevada City Newark Newport Beach Nipomo Norco North Fork Norwalk O Oak View Oakdale Oakhurst Oakland Oceano Oceanside Ojai Olancha Ontario Orange Oroville Oxnard P Pacific Grove Pacifica Palm Desert Palm Springs Palmdale Palo Alto Pasadena Petaluma Philo Pico Rivera Pine Mountain Club Pioneer Pismo Beach Pittsburg Placerville Pleasanton Plymouth Point Arena Pomona Port Hueneme Poway Q Quincy R Ramona Rancho Cordova Rancho Cucamonga Rancho Mirage Rancho Santa Fe Red Bluff Redding Redlands Redondo Beach Redway Redwood City Richmond Ridgecrest Riverside Rocklin Rohnert Park Rosemead Roseville Rowland Heights Running Springs Rutherford S Sacramento Salinas San Anselmo San Bernardino San Bruno San Buenaventura San Clemente San Diego San Dimas San Francisco San Gabriel San Jose San Juan Bautista San Juan Capistrano San Leandro San Luis Obispo San Marcos San Mateo San Pablo San Rafael San Ramon San Simeon Santa Ana Santa Barbara Santa Clara Santa Clarita Santa Cruz Santa Fe Springs Santa Maria Santa Monica Santa Paula Santa Rosa Saratoga Sausalito Seal Beach Seaside Sebastopol Selma Shaver Lake Shelter Cove Signal Hill Simi Valley Smith River Solvang Sonoma Sonora South Gate South Lake Tahoe South San Francisco Springville Squaw Valley St. Helena Stanton Stevenson Ranch Stockton Sunnyvale Susanville Sutter Creek T Tahoe Vista Tahoma Tecopa Temecula Thousand Oaks Thousand Palms Three Rivers Topanga Torrance Tracy Trinidad Truckee Tulare Turlock Tustin Twentynine Palms U Ukiah Union City Upper Lake V Vallejo Valley Springs Victorville Visalia Vista W Walnut Creek Watsonville Weaverville Weed West Covina West Hollywood West Sacramento Westlake Village Westminster Whittier Willits Willow Creek Willows Windsor Winters Woodland Y Yorba Linda Yountville Yreka