My roommate is looking for a Tropical Island and has asked for my help in finding one. I will be using my cards as well as his to try and get one. His cards are unlisted in my tradelist.
What he has is
Wurmcoil Engine
Reset
Blinkmoth Nexus
Cryptic Command
Mana Vault
Transmute Artifact
Tamiyo, the Moon Sage
Crucible of Worlds
Mycosynth Golem
Mycosynth Lattice
Vesuva
Academy Ruins
Consecrated Sphinx

As well as anything on my tradelist you may want.

If you have any questions, please post here or in an interested trade.

Thanks!