Yes, Vincent has the key to the chest of Davy Jones. I think it could be Yemi's, because didn't Eko say someone stole his brother's body? Although I was under the impression that plane fuel poured over a half decayed body,and then set on fire would probably be gone.

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" I push this button every 108 minutes, I don't get out much."

"Theres a time for living low down, theres a time for getting high. A time for peace, a time for fire. A time to live, a time to die."

The real art of conversation is not only to say the right thing at the right time, but also to leave unsaid the wrong thing at the tempting moment.