Doug Marr of Keliher Real Estate has leased 1,110 s/f of retail space at 125 Charles St., in the Beacon Hill area of the city. This prime retail location has been leased by Renvil Doman, one of Bostons top personal trainors who currently has a spinning studio on Revere St. in Beacon Hill, now expanding a full circuit fitness studio at the Charles St. location.