Riddle

I'm made of sand, and I might have a moat. Build me near water, but I'm not a boat. What am I?

Choose an answer

A.Island
B.Beach
C.Lighthouse
D.A sandcastle
Hint: It's a 2-word phrase with 11 letters, starting with "A".

Answer

A sandcastle

Why this is the answer

A structure built of sand, often by children at the shore.

This riddle is filed under Hard/Difficult Riddles and rated Medium.