Forget cruise ships — Carnival is spending big on private island resorts

Carnival Corp is growing its land-based portfolio with an expanded private island and a new resort.Carnival expects to spend $600 million on the coming Celebration Key.Popular cruise lines like Royal Caribbean have seen massive success with their private islands.Carnival Corp is best known for its vacations at sea. Now it's pouring millions into developing its on-land portfolio.Advertisement The cruise giant announced plans on Tuesday to expand its 27-year-old private island, Half Moon Cay (now renamed Rel ...