You have to have and use the HM 08 Rock Climb, which you obtain from Professor Oak after obtaining all 16 Kanto and Johto gym badges.
You hav to beat the 16th gym (8th kanto gym) than talk to prof. oak
Cool on Your Island was created in 1988-08.
spy island will be online at about 24/8/08 spy island will be online at about 24/8/08
earn all 8 kanto badges then go see professor oak in pallet town. after that he gives you HM 08 rock climb. then you surf to cinnabar, use rock climb all the to the top
Fear Island was created on 2009-08-30.
Raptor Island was created on 2004-08-21.
The Dark Island was created on 1962-07-08.
The Dark Island ended on 1962-08-12.
Love Island ended on 2006-08-28.
Treasure Island Dizzy was created in 1987-08.
Fiends of Dope Island was created in 2002-08.