<p>Royal Caribbean International has announced that its new mega-ship Oasis of the Seas will make Charlotte Amalie, St. Thomas, its first port of call. The $1 billion liner will bring 5,400 guests to St. Thomas when it launches in December 2009. </p><p>The 220,000-ton Oasis of the Seas will launch with 19 seven-night sailings to the Eastern Caribbean. In addition to St. Thomas, the ship will also call at St. Maarten and Nassau. The ship will homeport in Port Everglades in Fort Lauderdale.</p>