Best Portsmouth (NH) Hotels With 18+ Check-In (Updated December 2024)

Discover the magic of Portsmouth, New Hampshire! This vibrant, coastal city is a hidden gem in New England, offering a perfect blend of rich history and modern attractions. Portsmouth is the third-oldest city in the USA, and its historic charm is evident in its 17th-century houses, old cobbled streets, and old-world architecture. But don't be fooled by its age - Portsmouth has a vibrant and youthful vibe that makes it an ideal destination for young travelers. Its thriving food and craft beer scene, exciting nightlife, and the countless outdoor activities are bound to keep you entertained. Not to mention, Portsmouth’s location offers easy access to beautiful beaches and stunning natural landscapes. So pack your bags and get ready for an adventure in this unique, coastal city.

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