With summer travel season underway, DoubleTree by Hilton, one of Hilton’s 14 market-leading brands, is introducing six new hotels across the United States.

Locations include some of the country’s most ideal summer getaway destinations, including Ocean City, Maryland; Vail, Colorado; Pomona, California; Nashua, New Hampshire; Youngstown, Ohio; and Malvern, Pennsylvania.

Properties recently added to the DoubleTree by Hilton portfolio include DoubleTree by Hilton Vail, DoubleTree by Hilton Pomona, DoubleTree by Hilton Nashua, DoubleTree by Hilton Youngstown Downtown, DoubleTree by Hilton Ocean City Oceanfront and Desmond Hotel Malvern, A DoubleTree by Hilton Hotel.

All hotels within the DoubleTree by Hilton portfolio are a part of Hilton Honors, the award-winning guest-loyalty program for Hilton's 14 distinct hotel brands.

Members who book directly have access to instant benefits, including a flexible payment slider that allows members to choose nearly any combination of Points and money to book a stay, an exclusive member discount, free standard Wi-Fi and access to the Hilton Honors mobile app.

DoubleTree by Hilton is a fast-growing, global portfolio of more than 525 upscale hotels with nearly 125,000 rooms across six continents.