Hawaii spreads across islands with distinct characters requiring choice. Oahu concentrates tourist infrastructure around Waikiki and Pearl Harbor. Maui balances accessibility with natural beauty for first-timers. Big Island offers volcanic activity and size for adventure focus. Kauai delivers dramatic scenery with more isolation. Inter-island flights connect quickly but add expenses. Rental cars become essential outside Waikiki. Beach quality lives up to reputation across islands. Snorkeling and diving opportunities abound with seasonal variation. Prices shock visitors from mainland US and beyond. Luau experiences range from authentic cultural exchange to tourist show. Hiking options suit all levels with proper preparation. Whale watching peaks December-April.