The Miami Beach housing market showed more overall sales activity with a lower rate of inventory growth and a shift towards larger luxury units. There were 1,025 sales in the quarter, up 10.7% from the year-ago quarter. Condo sales showed higher sales growth with an expansion of market share of 3, 4 and 5-bedroom units as well as an 8.6% rise in average sales square footage. Although listing inventory has been rising for more than four years, the rate of growth…