This accommodation in Tamuning is located directly on the beach in Tumon Bay. Westin Resort Tamuning is within 10 minutes' drive of the Prime Outlets and the nightlife district. Westin Resort Tamuning is within 15 minutes of the airport, and transfer to and from the airport can be arranged with the front desk.

There are 432 rooms at Westin Resort Tamuning, ranging from simple doubles to extended suites. Rooms have Westin’s signature Heavenly beds and Heavenly showerheads in the bathrooms. Other amenities include balconies, satellite television service, direct dial telephone, ironing set, and en suite bathroom. Non-smoking rooms are available.

Built in 1992, Westin Resort Tamuning was remodeled in 2006 to continue its status as a four star beach resort. Conference space is available, supported by a business center. There is a child center with programming for children at the hotel. For relaxation, the hotel offers two outdoor swimming pools and a fitness room with free weights. There is also a beauty and wellness spa. Parking is offered on site to guests.