Things To Do

Sushi Sho Omakase (The best omakase, make reservations at https://www.sushi-sho.com/)
Ala Moana Mall (Many stores)
Waikiki Beach (Most crowded beach in Hawaii, bars and stores along the beach)
North Shore Beach (Ideal place to surf, water is very deep, much less crowded)
Marukame Udon (Affordable and best udon in Hawaii, extremely long lines, go in the morning if you can)
Diamond Head (Easy hike and good view of Honolulu)
Koko Crater Railway Trailhead Hike (Easy-Medium level hike, very good view)
Moanalua Valley Trail aka Stairway to Heaven Hike (Very intense and dangerous hike, can be very slippery)