The Sea Foam Islands are not in Pokemon Ruby.
first you have to go to the sea fourm islands and there you will get a pass to go to Marine island then u click yes and a boat comes and takes you to marines island.
on Pokemon
How do u get through sea floor cavern on pokemon Ruby?
Yes, articuno is at the end of seafoam islands. Try the boulders ;-)
no you can receive it in the mountain next to lillycove Hope this helped =]
Actually scrap that,you need the old sea map to get there but you have to trade it with someone who has the old sea map on Pokemon ruby/sapphire
look aroung the ocean
an ice puzzle
When you trade Clamperl with the deep sea scale you get Gorebyss with the deep sea tooth you get Huntail.
its in the sea route between petalburg and dewford on the left. you have to search a bit.
in lilicone city. near the old men is looking in the sea.
The Braille reads: "DIVE"