Ocean Week - Scavenger hunt activity

This seems like an interesting event!
I have seas without water, coast without sand, towns without people, mountains without land. What am I?
?
Paola is interested in attending a few events at Ocean Week with her son. She finds a scavenger hunt that seems interesting.
I have seas without water, coast without sand, towns without people, mountains without land. What am I?
Paola her son sign up to participate in the scavenger hunt competition.
Mom! The answer is a MAP!
It's Ocean Week, and Paola and her son show up to confirm their participation receive some rules materials needed for the scavenger hunt.
They start the scavenger hunt find a clue! They learn that they need to solve a riddle.
They start the scavenger hunt find a clue! They learn that they need to solve a riddle.
?
They figure out the answer to the riddle and realize they need to go to the X on the map.
Paola and her son continue to complete the scavenger hunt during Ocean Week and upload their answers on COLC's website.
Paola and her son didn't win the competition. But she loved the scavenger hunt so much, she wanted to use the activity in her classroom too.