Which ocean has maximum number of islands ??

 Pacific ocean has maximum number of islands.

Pacific ocean is the largest ocean on earth.  It covers 1/3 rd of the planet 's surface  !!!!

Pacific ocean lies along the Ring of Fire which is known for intense volcanic activity and frequent earthquakes. Continuous volcanic eruptions create new islands.

Major island groups in Pacific ocean 

1.     Polynesia 

              Consists of Hawaii, Samoa, Tonga and Tahiti.

2.  Micronesia 

            Consists of Martial islands, Palau and Kiribati 

3.  Melanesia 

           Consists of Papua New Guinea, Solomon islands, Fiji and Vanautu.