Boating and marine
Maritime Safety QLD: http://www.msq.qld.gov.au/
Queensland tide tables: http://www.msq.qld.gov.au/Tides/Purchase-tides.aspx
Weather: http://www.msq.qld.gov.au/Safety/Weather-service.aspx
http://www.weatherzone.com.au/marine/qld
Boating and fishing guide: http://www.msq.qld.gov.au/Publications/Recreational-boating-fishing-guide.aspx
Diving
Law & safety: http://www.deir.qld.gov.au/workplace/subjects/diving/index.htm
http://www.diveoz.com.au/directory_sites/list_sites.asp?state=2
http://www.qldscubadive.com.au/
http://www.yongaladive.com.au/
Education/resources
GBR marine fish identification app: https://itunes.apple.com/au/app/marine-fish-id-great-barrier/id503111961?mt=8
Fishes of Australia: http://www.fishesofaustralia.net.au/
Atlas of Living Australia: http://www.ala.org.au/
OZCAM (Online Zoological Collections of Australian Museums): http://www.ozcam.org.au/
Fishing/Fisheries
Queensland Govt (rules/regulations): http://www.daff.qld.gov.au/28_2981.htm
National Parks
Department of National Parks, Recreation, Sport and Racing: http://www.nprsr.qld.gov.au/marine-parks/gbr_coast_marine_park.html
Great Barrier Reef Marine Park Authority: http://www.gbrmpa.gov.au/
Marine Parks: http://www.nprsr.qld.gov.au/marine-parks/
Research
Studying Marine Biology at James Cook University: https://www.jcu.edu.au/world-rankings/marine-biology
ARC Centre of Excellence - Coral reef Studies, James cook University: https://www.coralcoe.org.au/
Centre for Sustainable tropical fisheries and Aquaculture (James Cook University): https://www.jcu.edu.au/tropical-fisheries-and-aquaculture/people/academic-staff2
Australian Institute of Marine Science: https://www.aims.gov.au/