Things to Know & Bring

Hawaii has a ban on certain sunscreen, and they do charge fines.  You will need reef safe sunscreen.  Here's a link with info.  https://hanaumabaystatepark.com/reef-safe-sunscreen

Snorkel gear

Celebration Clothing in beige/white

Look at the Activities - booking ahead is needed in some instances.  MattMan is covering much of them.  Others you can choose.