Best Williamstown (NJ) Hotels With 18+ Check-In (Updated February 2026)

Embark on an unforgettable journey to Williamstown, New Jersey! Perfectly nestled between the bustling city of Philadelphia and the serene shorelines of the Atlantic, this quaint town is the ideal destination for young travelers seeking a unique blend of urban excitement and coastal tranquility. Williamstown boasts a kaleidoscope of activities, from hiking trails in the lush forests of Scotland Run Park to wine tasting at the award-winning Autumn Lake Winery.

The town's rich history is tangible in its charming Main Street, where a mix of modern cuisine and vintage boutiques awaits. Nightlife is vibrant here, with a variety of bars and entertainment venues offering a lively scene for the 18+ crowd. With its engaging blend of nature, culture, and fun, Williamstown promises an adventure that you'll never forget.

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