One of the most inspiring places to visit on Isla Mujeres, You pay a little entree fee, 30 pesos, or 3 USD to go in and to learn the Sea Turtles lives and movement in our oceans systems. There are several aquariums with different sea life and outside there is a big area where they often have bigger animals that they saved and are recovering, such as Dolphins or Nurse Sharks.
There is a big area where they hatch the turtle eggs to let them get strong for a higher survival chance.
Tortugranja is educational and a good cause to visit. It is a small area and most people spend maximum a half hour in here .
Check out the albino turtle, something different for you.