• Sea Shepherd Conservation Society
  International non-profit, marine wildlife conservation organization whose mission is to end the destruction of habitat and slaughter of wildlife in the world's oceans in order to conserve and protect ecosystems and species.
  
• Shark Research Institute
  SRI works to correct misperceptions about sharks and stop the slaughter of 100 million sharks annually.
  
• Marine turtles
  Marine turtles have lived in the oceans for over 100 million years. They are an integral part of the traditional culture of many coastal indigenous peoples throughout the world.
• California Turtle & Tortoise Club's guide to turtle and tortoise resources
  Comprehensive Guide- Great place to learn about these endangered gentle creatures.
  
• Monterey Bay Aquarium
  Live web cams.
  
• ScubaDiving.com "Your Body"
  Headaches, hydration, ear pain, diving with a cold, age advice, women and diving, booze (don't!), yoga, more equalizing tips, guide to marine stings, stay warm between dives, seasickness, lower back pain, minimize your risk of DCS, smoking and diving (stop now!), flying after diving.
  A lot more... courtesy of ScubaDiving.com.
  
• ScubaBoard.Com
  Scubaboard Community Forums. Lots of opinions, good browsing.
  
• Divers Alert Network (DAN)
  Non-profit medical and research organization dedicated to the safety and health of recreational scuba divers and associated with Duke University Medical Center.
  
• PADI
  The Way the World Learns to Dive.
  
• Eternal Reefs
  Eternal Reefs, Inc. creates permanent living legacies that memorialize the passing of a loved one. For families and individuals that choose cremation, Eternal Reefs offers a new memorial choice that replaces cremation urns and ash scattering with a permanent environmental living legacy.
  
• Underwater Phantaseas
  Divers' travel service. Denver's premier Scuba and Snorkeling educator and outfitter. Greatest selection of equipment plus Denver's largest indoor scuba training pool right on site! PADI 5 Star Facility.
  
• SpruceCam
  Surface Interval when not in the Islands. Origin of Spruce.Net.
  

Divers' Guide to Hurricane/Typhoon Seasons