Don't eat stray coconut.
60 miles of scenic but curvy coastal road, reportedly featuring 620 curves and 59 bridges, most of which are single-lane bridges. If you relish your driving experiences then the Hana Highway alone is a "must-do".
Must do:
Mile marker:
10 Garden of Eden (45min)
$15 admission
32 Wai' anapanapa state park
get here early (90min)
most popular
lava tube, black sand, etc.
35 red sand beach (1hr)
chill for a while
45 wailua falls (30mins)
walk to bottom of pool
42 kipahulu haleakala national park (4hrs)
$30/vehicle
ohe'o sacred pools
pipiwi trail 2mi hike
hop fence to get close if safe