Categories Quiz

Ok, I'm back from the beach. Gee the water is chilly this time of year! New category quiz: 
Larger rewards given to creative and interesting answers. 
Categories are:
1. A beach
2. A marine animal
3. Something you can do at the beach
4. Something you can build out of sand. 
The letter is G

A snow skiing Degen, loving farcaster. I love casts about skiing, outdoors, Mtn biking and football. I enjoy games, quizzes and host /category-quiz . 

Great Barrier Reef beach?
Gummy shark
Generate electricity from the waves. It’s a green solution
Gandalfs staff

Musician, outdoors, chocolate enthusiast. Here to learn about web 3.

Yes I've heard of wave turbines.  Gotta harness that energy. 500 $degen