If you like shopping at Marina Square, you may want to visit the mall before it closes on March 31 next year for a major redevelopment. Upon completion, the area will feature luxury residences, serviced apartments, premium offices, public parks, arts and cultural spaces, as well as sports and wellness facilities, said Singapore Land (Sing Land) on Tuesday (Sept 1). Three new towers will be integrated with the site's three existing hotels: Pan Pacific Singapore, Parkroyal Collection Marina Bay and Mandarin Oriental Singapore — while the four-storey Marina Square mall will undergo an overhaul. Connectivity in the area will also be…