OpenAI CEO Sam Altman’s luxury Hawaii estate has been listed for sale for US$49 million (A$65 million). The property is located on Hawaii Island’s western coast, and features 10 bedrooms in a 1164 square metre interior. Altman bought the estate for $43 million in 2021. “Located in one of Hawaii’s most prestigious settings, this estate embodies a blend of luxury and natural beauty. Expansive living spaces, lush outdoor areas, and sweeping views of Kailua Bay and the Pacific Ocean, create a refined island experience,” according to the property’s Sotheby’s listing. “The residences were designed by de Reus Architects, the interior design was artfully imagined by Philpotts Interiors. Recent updates were completed under the guidance of renowned designer Michael Kao.” The estate hosts a main residence, a guest house, and a beach bungalow across 8.82 hectares of land. It includes a helipad, tennis court, outdoor pool, fitness centre, and staff quarters. The property is legally owned by Big Surf LLC, which was previously registered to Altman’s San Francisco home and is linked to his venture capital funds. Altman’s net worth is $2 billion, according to Forbes. While he has said he owns no equity in OpenAI, he has invested