The Howard Hughes Corp. is taking a slightly different approach with sixth mixed-use tower in Honolulu, called Koula, by reserving all of the ground floor of the 570-unit tower for commercial space and moving the lobby and other residential services to the second floor.

Sales of condominiums on Oahu rose by single digits last month, along with median prices for both single-family and condo properties, while sales of single-family homes slowed, according to statistics from the Honolulu Board of Realtors.

Ala Moana Center is valued at $5.74 billion, making it the most valuable real estate investment trust-owned mall in the United States, according to a new study by boutique research firm Boenning & Scattergood.