The auction of the penthouse at 104/ 3645 Main Beach Parade, Main Beach (DeVille building). Auctioneer Dane Atherton. Picture: Jerad Williams The north facing penthouse sold under the hammer over the weekend.More from news02:37Purchasers snap up every residence in the $40 million Siarn Palm Beach North1 hour ago02:37International architect Desmond Brooks selling luxury beach villa21 hours ago The winning bidder (right) celebrates with a friend. Picture: Jerad WilliamsNick McHutchison of Kollosche Prestige Agents is marketing the 103 penthouse, and said the number of influential bidders on the north-facing residence was promising.“This one is asking 20 per cent less than what the north-facing one sold for,” he said.“The owner is keen to secure a result pre-Christmas and is open to reasonable offers.” The two level penthouse is on the 26th floor. The property also features an in-wall aquarium.The three-bedroom, three-bathroom penthouse with rooftop pool is on the market for $2.99 million. Ms Jay Lim pictured enjoying the rooftop swimming pool of the De Ville apartments penthouse at Main Beach. Picture Mike BatterhamIT’S hoped the multi-million sale of a Gold Coast penthouse at auction will motivate buyers to snap up its luxury neighbour. 104 ‘De Ville’ 3645 Main Beach Parade changed hands for $3.66 million, after eight registered bidders lined up for the property. 103/3645 Main Beach Pde, Main Beach is also on the market.