This natural phenomena is located on the eastern shores of Antigua.
It have a grim history, and hence the name. This little text is a quote from http://www.antiguanice.com.
“On the east coast of the island is the famous Devil’s Bridge. Devil’s Bridge was call so because a lot of slaves from the neighboring estates use to go there and throw themselves overboard. That was an area of mass suicide, so people use to say the Devil have to be there. The waters around Devil’s Bridge is always rough and anyone fall over the bridge never come out alive”.
Still. The site it self is quite spectacular: