It opened on June 23, 2019, at a total cost of $2.6 billion. Its development rehabilitated a 33-acre parcel of land previously used for industrial purposes. The resort is in a commercial-industrial area on the Mystic River, about 5 miles (8.0 km) from downtown Boston. It is owned by Realty Income and operated by Wynn Resorts. 42☂3′40.06″N 71☄′12.73″W / 42.3944611°N 71.0702028°W / 42.3944611 -71.0702028Įncore Boston Harbor site on the Mystic River in February 2019Įncore Boston Harbor (previously referred to as Wynn Everett and Wynn Boston Harbor) is a luxury resort and casino located in Everett, Massachusetts (on the border with Boston).