Ajax Scuba Club
- Located in Durham, includes information on membership, events, instruction and travel opportunities.
- http://ww2.ajaxscubaclub.on.ca

Waterline Sports
- Find details on certification courses, travel excursions, events, and contact information. Located in Toronto.
- http://www.waterlinesports.com/

Diver's Den
- Located in Tobermory, with information on charters, instruction, boating courses, equipment rental.
- http://www.diversden.ca/

SarniaUnderwater Club
- Sarnia, Ontario club with membership particulars, events calendar and newsletter.
- http://www.datatek.on.ca/suc/

Paul Jomm - Scuba Diver Trainer
- Teaches PADI and DAN courses as well as specialty courses such as emergency first response, gas blending, and wreck diving. Includes pricing and contact information.
- http://www.scubadivertrainer.com/

Bottom Time Charters
- Includes information on rates and schedules, accommodations, instruction and photo gallery. Located in Brockville.
- http://www.bottomtimecharters.com/

Sharky's Scuba Supply
- Details on PADI instruction, as well as information on dive sites in Ottawa, Kingston and Brockville. Photo gallery, and newsletter available.
- http://www.sharkyscuba.com/

Scuba Shack
- Find details on instruction, charter services, location, hours of operation. Located in Gravenhurst, Ontario.
- http://www.scubashack.on.ca/

Scuba 2000
- Find information on PADI instruction, dive travel opportunities, equipment rental details, and events calendar. Based in Ontario.
- http://www.wetshop.com/

Rec and Tek Scuba
- Located on the Hamilton Mountain, with information on courses, repairs, rates, contact details and hours of operation.
- http://www.recandtekscuba.com

North Bay Scuba Club
- Included are club membership details, meeting dates and locations, dive site reviews, and photo gallery.
- http://www3.sympatico.ca/iscuba/

Diver's Nook Dive Center and Charters
- Included is information about dive and fishing charters, rental gear, contact details, and local dive sites.
- http://www.diversnook.com

Colt Creek Diving
- Listed information includes PADI instruction, equipment sales, service and rental, with local and remote travel excursions.
- http://www.coltcreekdiving.com/

Aquasystems Scuba Shops
- Discover details on instruction, equipment sales, and other services from these four Toronto based dive stores.
- http://www.diveaqua.com

AquaSub Diving Centre
- PADI dive centre, with information on travel, training, equipment sales, service and rentals. Hours of operation and contact details available.
- http://www.aquasubscuba.com

Aquarius Scuba
- Information on instruction, equipment, calendar of events, photo gallery, contact details, and store hours. Based in Toronto.
- http://www.aquariusscuba.com/

Thousand Island Pleasure Diving
- Includes information on courses, dive charters, rates, contacts and hours of operation, descriptions and details of local wreck sites, and events calendar.
- http://www.islanddiver.ca

Ontario Scuba Diving
- Descriptions of local shore, wreck and technical dives.
- http://www.leftmind.net/~adb/ontdive/

The Niagara Divers' Association
- Find information on membership, meeting schedule, outings, dive site descriptions, and club projects. Located in Saint Catherines.
- http://www.vaxxine.com/nda

Diving in Ontario
- Contains descriptions of local dive sites and dive operators as well as information on local dive clubs.
- http://www.onramp.ca/~adb/ontdive/Ontario.html

Dive Tech Training Centre
- Located in the 1000 Islands. Information includes overview of PDIC training courses, dive travel and driving directions.
- http://www.divetech.ca

Thunder Country Diving
- Thunder Bay, Ontario dive center with information on SSI certification courses, staff biographies and contact details.
- http://www.thundercountrydiving.com

South Western Ontario Divers Association
- London, Ontario dive club with information on membership, meeting schedule, newsletter, and events.
- http://www3.sympatico.ca/ouigiman/swoda.htm

Ontario Underwater Explorers (O.U.E.)
- Toronto based club with information on courses, membership, history, events, newsletter, and photos.
- http://www.ontario-underwater-explorers.org

Northern Tech Diver
- Information on diver training, tours and exploration in the Kingston and 1000 Island area, Ontario.
- http://www.northerntechdiver.com

Long Point Divers
- Located in Port Dover, Ontario, with information on instruction, charters, events calendar, and contact details.
- http://www.nornet.on.ca/~lpdivers

Etobicoke Underwater Club
- Club located in Ontario which provides training cources and dive trips. Includes articles, courses, contact information, and upcoming events.
- http://www.euc.ca

Divercity
- Kingston based charter service, with details on rates, schedules, instruction, and contacts.
- http://www.divercity.on.ca/

Dana Schultz Scuba Diving Instruction
- Includes details on private instruction offered in & around Hamilton Ontario. PADI or SSI Certifications.
- http://www3.sympatico.ca/lostmermaid

Big Jim's Dive Charters
- Charter operating out of Kingston, Ontario. Includes information on the boat, crew, prices, wrecks, and contact information.
- http://www.kingstondiving.com

ABUCS Scuba
- On the St. Lawrence river in the Thousand Island region, with information on dive tours, rates, instruction, boat and dive site descriptions, contact details.
- http://www.divebrockville.com