It won't melt quickly once reaching warm water. There's a huge amount of volume contained by a fairly small surface area - this iceberg would last for years in

It won't melt quickly once reaching warm water. There's a huge amount of volume contained by a fairly small surface area - this iceberg would last for years in the Caribbean. A better idea, if you can tow it, is to tow it to one of the gulf states or somewhere else with a severe potable water shortage.