Coast Guard Float Plan: A good thing to have on file  when you are out Sailing.

http://www.uscg.mil/hq/g-o/g-opr/SARfactsInfo/float%20plan.htm

Cruising Support: a great site full of info on where to go and anchorage charts and photos.

http://flseagrant.ifas.ufl.edu/anchorage/anchorage_inventory.php.

Wind Forecasts: A good site for trip planning. 

http://www.intellicast.com/IcastPage/LoadPage.aspx?loc=keyw&seg=LocalWeather&prodgrp=Forecasts&product=WINDcast&prodnav=d1_00&pid=none

Tides: Marco River

http://tbone.biol.sc.edu/tide/tideshow.cgi?site=Marco%2C+Big+Marco+River&units=f