You've got to dive to pay your respects:
The ashes are mixed with cement designed for underwater use and fitted into a mold, which a diver then places and secures into the reef. A copper and bronze plaque is installed with the person's name, date of birth and death. There is also a line for a message.
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/05/an-underwater-cemetery/216700/
