| 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. |
| Ajax Scuba Club - Located in Durham, includes information on membership, events, instruction and travel opportunities. |
| Aquarius Scuba - Information on instruction, equipment, calendar of events, photo gallery, contact details, and store hours. Based in Toronto. |
| AquaSub Diving Centre - PADI dive centre, with information on travel, training, equipment sales, service and rentals. Hours of operation and contact details available. |
| Aquasystems Scuba Shops - Discover details on instruction, equipment sales, and other services from these four Toronto based dive stores. |
| Big Jim's Dive Charters - Charter operating out of Kingston, Ontario. Includes information on the boat, crew, prices, wrecks, and contact information. |
| Bottom Time Charters - Includes information on rates and schedules, accommodations, instruction and photo gallery. Located in Brockville. |
| Colt Creek Diving - Listed information includes PADI instruction, equipment sales, service and rental, with local and remote travel excursions. |
| Dana Schultz Scuba Diving Instruction - Includes details on private instruction offered in and around Hamilton Ontario. PADI or SSI Certifications. |
| Dive Tech Training Centre - Located in the 1000 Islands. Information includes overview of PDIC training courses, dive travel and driving directions. |
| Divercity - Kingston based charter service, with details on rates, schedules, instruction, and contacts. |
| Diver's Den - Located in Tobermory, with information on charters, instruction, boating courses, equipment rental. |
| Diver's Nook Dive Center and Charters - Included is information about dive and fishing charters, rental gear, contact details, and local dive sites. |
| Diving in Ontario - Contains descriptions of local dive sites and dive operators as well as information on local dive clubs. |
| Etobicoke Underwater Club - Club located in Ontario which provides training cources and dive trips. Includes articles, courses, contact information, and upcoming events. |
| Georgian Adventure Dive Charters - Describes diveable wrecks in the Georgian Bay, Ontario area. |
| The Niagara Divers' Association - Find information on membership, meeting schedule, outings, dive site descriptions, and club projects. Located in Saint Catherines. |
| North Bay Scuba Club - Included are club membership details, meeting dates and locations, dive site reviews, and photo gallery. |
| Northern Tech Diver - Information on diver training, tours and exploration in the Kingston and 1000 Island area, Ontario. |
| Ontario Scuba Diving - Descriptions of local shore, wreck and technical dives. |
| 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. |
| Rec and Tek Scuba - Located on the Hamilton Mountain, with information on courses, repairs, rates, contact details and hours of operation. |
| SarniaUnderwater Club - Sarnia, Ontario club with membership particulars, events calendar and newsletter. |
| Scuba 2000 - Find information on PADI instruction, dive travel opportunities, equipment rental details, and events calendar. Based in Ontario. |
| Scuba Shack - Find details on instruction, charter services, location, hours of operation. Located in Gravenhurst, Ontario. |
| 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. |
| South Western Ontario Divers Association - London, Ontario dive club with information on membership, meeting schedule, newsletter, and events. |
| 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. |
| Thunder Country Diving - Thunder Bay, Ontario dive center with information on SSI certification courses, staff biographies and contact details. |
| Waterline Sports - Find details on certification courses, travel excursions, events, and contact information. Located in Toronto. |
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