Al Nakheel Properties
The three artificial islands that make up the Palm (comprising the Palm Jumeirah, the Palm Jebel Ali, and the Palm Deira) are the world's biggest man-made islands. Each was built from a staggering 1 billion cubic meters of dredged sand and stone, taken from Dubai's sea bed and configured into individual islands and surrounding breakwaters. The complex will house a variety of tourist attractions, ranging from spas and diving sites to apartments and theaters. The entire complex is designed to collectively resemble a date palm tree when seen from the sky.
All of this was built in the last 5 years, including that island that looks like a palm tree. 
The Palm Islands in Dubai. New Dutch dredging technology was used to create these massive man made islands. They are the largest artificial islands in the world and can be seen from space. Three of these Palms will be made with the last one being the largest of them all. 
Upon completion, the resort will have 2,000 villas, 40 luxury hotels, shopping centers, movie theaters, and many other facilities. It is expected to support a population of approximately 500,000 people. It is advertised as being visible from the moon.
