You do not need HM08 to reach Cinnibar Island. You do, however, need HM08 to search Cinnibar Island. Without HM08, all you can do is use the Pokemon Center.
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.
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
spy island will be online at about 24/8/08 spy island will be online at about 24/8/08
Cool on Your Island was created in 1988-08.
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.
Monster Island - novel - was created in 2004-08.
Orangutan Island - 2007 2008-12-08 was released on: USA: 8 December 2008