These can be made from wood, glass, Plexiglas or plastic. Its base should be very clean. You can use newspaper, linoleum or artificial glass at the base. The enclosure should be free from soil, dust, sand or bark. These may choke iguana when it swallows any such thing. Red iguanas should be furnished with a shallow container for their food and water. Moreover, the reptile should be safe in the proper environment of the nests against any harm like abrasion or injuries. The box used for nest should be durable and should contain about 200 pounds of sand or soil in it. Some quality of try planter can also be put at an end to form a sort of tunnel for iguana to play. It is most commonly found in Mojave deserts of South Eastern California, Southwest Utah, Sonoran deserts, Southern Nevada, California, Baja, Northeast Mexico ,South Central Arizona, and gulf of California Islands. It is fond of living in sandy and arid dwellings, generally under creosote bushes and rocks as its shelter. It is prospering only on Galapagos Islands and is named after the island as Galapagos Marine iguana. It lives in its natural habitat in boulders on shores of the Galapagos Islands. These iguanas are also living in marshlands on beaches and mangrove. Marine iguanas are said to be blackish in color and prospering on the sea. Moreover, the morning atmosphere provides perfect temperature for digestion of food. You can feed them all through the day also, but take care to feed in small quantities. Take specific care not to feed iguanas heavily before they sleep. The size and growth of iguanas depends on the quantity of food fed to them. An open cage may not be suitable in view of the climate, and iguana will feel cold and may become sick. The closet is a better alternative in that respect to provide the heated place with a controlled temperature. But there are some disadvantages with using a closet. It has a confined space and it is difficult to clean it.