Well Barbados is the most expensive island we have looked at so far.  I really could not find any good deals on oceanfront homes.  Here is all I got.

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Beach Haven
Price: US$1,995,000.00
An excellent opportunity to secure an entire beach front house in the heart of the West Coast of Barbados.

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Capri
Price: US$1,750,000.00
Capri commands spectacular views of the […]

The houses in Aruba are believe it or not the same if not cheaper then comparable homes in the U.S. and you get to live on this wonderful island.
Here are some examples of great homes I found searching in Aruba.

Ref#: KEY053

This very characteristic house with nice details is in immaculate […]