Here are the top 10 vacation ideas for enjoying Honolulu's Waikiki Beach and the surrounding area: Click this link to explore Oahu vacation spots, hotels, cruises, and activities. 1. Relax on Waikiki Beach and watch the waves - Soak up the sun on the iconic white sands, swim in crystal-clear waters, or try surfing where the sport was born. Click to explore Waikiki Beach 2. Hike Diamond Head Crater