BOSTON — Colliers International has arranged the sale of a residential redevelopment property located at 27-29 Isabella St. in Boston’s Bay Village neighborhood. Marist Fathers sold the property New Boston Ventures for $11.4 million. The buyer plans to redevelop the property into nine high-end residential condominiums. Chris Sower, Scott Dragos and Tom Hynes of Colliers represented the seller, while Harry Collings of New Boston Ventures provided in-house representation for the buyer in the deal. Steven Horan and Patrick Boyle, also of Colliers, procured acquisition and construction financing from Hingham Institution for Savings for the buyer.