Polihale Beach, Donkey Beach, Waimea Canyon, Pu’u O Kila Lookout, Awaʻawapuhi Trail, Koloa Fish Market (Poipu) is so
good. Get Poke from there. JoJo's Shave Ice in Waimea
Shipwreck Beach (jump off the cliff if you feel up to it), Queens Bath (north), Hideaway Beach (north), Wailua Falls (Kapaa), Powerline Trail (Kapaa), Fern Grotto (Kayak to it).
So much stuff to do.