The Mahalo Top 7
- Scuba Diving Magazine: ScubaDiving.com
- Wikipedia: Scuba diving
- PADI: Professional Association of Diving Instructors
- Divers Alert Network: Scuba Diving and Dive Safety Association
- Scuba Diving Magazine: Cyber Diver
- Dive Travel Directory: DivingIndex.com
- YouTube Video: La Jolla Shores Dive 4/3/08
Scuba Diving Techniques and Tips
- NAUI Worldwide: Information for Serious Divers
- ScubaDiving.com: Training section and Dive Tips
- Cyber Diver: Advisor
- Deep-Six.com: Diving With Deep Six complete text
- SportDiver.com: Instruction: Dive Tips
- Kotie's FAQ: Scuba FAQ's
Scuba Diving Safety
- Wikipedia: Diving hazards and precautions
- FamilyDoctor.org: Scuba Diving Safety
- ScubaByte.com: Scuba Diving Safety
- National Sea Grant Library: Diving Safety Digital Library
- Amazon.com: Scuba Diving Safety by Dan Orr
Scuba Diving Lessons and Certification
- Wikipedia: List of diver training organizations
- PADI.com: Learn to Dive
- YMCA.org: YMCA Scuba program
- About.com: Top 7 Scuba Diving Certification Questions
Scuba Diving Equipment
- Wikipedia: Scuba set
- eBay: Scuba gear auctions
- ScubaDiving.com: Gear section
- Cyber Diver: Scuba Diving Equipment
- Scuba.com: Scuba Store
- SimplyScuba.com: Scuba Diving Equipment
- Joe Diver America store
- BizRate: Scuba Diving and Snorkeling Equipment
- ScubaEverything.com: Scuba and Snorkeling Equipment
Scuba Diving Videos
- ScubaDiving.com: Photos and Videos section
- Google Video: Scuba Diving in Thailand and Burma (Time: 6:34)
- iFilm: Scuba Diving with Dolphins (Time: 2:43)
- Expert Village: Tips on Scuba Gear & Scuba Diving
- YouTube: A turtles dive in Rio de Janeiro, Brazil (Time: 4:17)
- Google Video: Underwater Scuba Images (Time: 12:19)
- YouTube and Google Video: Scuba
- iFilm: Scuba tag
Scuba Diving Photos
- ScubaBoard.com: Member Galleries
- Google Images: Scuba Diving
- Flickr: Scuba clusters
Scuba Diving News and Background
- Google News: Scuba
- Wikipedia: Timeline of underwater technology
- ScubaDiving.com: News section
- CDNN: Cyber Diver News Network
- MarineBio.org: History and Practice of Scuba Diving
- University of Wisconsin: Underwater Exploration Timeline
- HowStuffWorks: How SCUBA Works
Scuba Diving Blogs and Communities
- Scuba.com: Scuba Community Forum
- ScubaDiving.com: Community section
- ScubaBoard.com: Forums
- Scuba-Forum.com
- Hack a Day: DIY SCUBA: Death on a stick
- Google Blog Search: Scuba
Scuba Diving Vacations
- ScubaTravel.co.uk: Top 10 Dive Sites Around the World
- Wikitravel: Scuba diving
- ScubaDiving.com: Travel section
- Cyber Diver: Dive Travel
- Sandals Caribbean Resorts: Scuba
Scuba Diving Books and Magazines
- Amazon.com: Scuba Diving books
- SportDiver.com