Wentworth By the Sea commands the island of New Castle, NH's oldest settlement. Our Portsmouth, NH hotel is located just an hour north of Boston with easy access to I-95, Manchester NH and the Boston airports. Overlooking the Atlantic Ocean, our hotel is the perfect destination for a romantic getaway or family vacation. This Marriott Hotel of the Year features 161 guestrooms and suites that blend historic elegance with 21st century convenience. Host your next Portsmouth meeting in any of our 12 meeting rooms, including the grand Wentworth Ballroom. Cruise along the Atlantic Ocean from our Hampton Beach hotel, take the family to Water Country or explore the historic downtown area. This New Hampshire resort offers intimate restaurants with imaginative cuisine, spa services, indoor and outdoor pools, nearby beaches, fitness and business centers, and wireless internet. An unwavering commitment to service makes the Wentworth Marriott one of the great resort hotels of New Hampshire, New England and the world.