Gold Coast luxury gets its shine back GOLD Coast real estate agents are reporting a surge in luxury residential transactions, even though house and apartment sales volumes are still less than half pre-global financial crisis records. McGrath Surfers Paradise recently sold one of southeast Queensland's more ostentatious mansions, 5 McMillan Court, Southport, under the hammer for $9.8 million, in a deal that sets a new record for the suburb and is the highest price achieved at auction since the GFC.