#3 Is Cape Romano near Marco Island FL. The houses used to be mainly on the beach but the ocean is finally reclaiming them. Last timeIsaw them (which was aboutamonth ago) they were in water up to the bottom of the dome part. Onlyamatter of time until they disappear. There were also2regular houses built on stilts in the ocean close to these dome houses but they are completely gone now, only the stilts remain.