A company called The Island Diver has set up a novel sailing trip near Almerimar. You can sail close to the nature reserve and then have a dinner at a mini-campsite set up in the Puntas Entinas nature reserve.
There are no details on their website about this trip yet but I guess that will happen eventually.
In the meantime, there is an article here on the Ideal site.
Read More for a translation of the article (based on a Google translation).