allowing mangroves to grow which is one of the ways the breakwater can be spotted from a distance. Some parts of the causeway are made from the bedrock, but usually the bedrock was used as a base. Coral stone was also used to build up the causeways, with sand and lime being used to cement the cobbles together. However, some of the stones were left loose.

In Scotland, the skirmish known as Clense the Calsey, or Cleanse the Causeway, took place in the High Street of Edinburgh