Location this portsmouth hotel is on the banks of the piscataqua river market square is 2 blocks away portsmouth brewery and music hall are within 05 miles 08 kilometers hotel features sheraton portsmouth harborside hotel has a 24 hour fitness facility this 35 star portsmouth property features massage and treatment rooms business amenities include a business center complimentary wireless internet access meeting rooms for small groups and a technology helpdesk sheraton portsmouth