The tortoise could have many different meanings depending on the circumstances in your life and your dream. Sometimes it indicates the protection and shelter you have built for yourself. In other explanations it is saying that tortoise is the symbol of long life, stability and great patience the one has. The tortoise could also indicate your tendency to hide and do not show your real personality or face, because of the fear not being accepted.
Read more about dreaming of Tortoise in other dream meanings interpretations.