Sea Worldâs $50m launch delayed for months A $50 million theme park upgrade has stalled, with the launch of two thrilling new attractions delayed by at least six months. Travel by Kathleen Skean Premium Content Subscriber only SEA World's $50 million theme park upgrade has stalled, with the launch of its New Atlantis precinct delayed by at least six months. The striking $20 million, 1km wooden roller coaster Leviathan, set to travel at 80km/h, has been rising steadily at the Main Beach site, while the The Trident, first announced in mid-2019, will soar 52 metres off the ground, spinning guests at 38km/h.