Last year I believe they were in the $60-$80 range. We didn't do any. My DS was happy with Stichs Space goo and The volcano activity (which were included) the premium ones include a meal though.
Do you know when the Authentic Hawaiian Sailing Canoe Experience is offered? The website says it's $99 and $79 but I don't see it listed in the excursions or on the IWA. Is it every day? Thanks.