Atlantis Submarines International, Inc.
- Dive locations in the Caribbean and South Pacific taking 48-64 passengers to excursions of 100 feet. Features company history, tour schedules, sales, destination information, and extensive multimedia gallery.
- http://www.atlantisadventures.com/

Submarine Safaris Asia, Ltd.
- Located in Bali, Indonesia offering excursions for 36-passengers to 150 feet. Features vessel specifications, picture gallery, and contact information.
- http://www.submarine-bali.com/

Alaska Underseas Tours
- Ketchikan, Alaska, USA semi-submersible operation taking 16-passenger on a 90-minute tour. Features excursion details, rates, and picture gallery.
- http://www.alaskaunderseatours.com/

Caicos Tours Ltd.
- Turtle Cove, Australia operation taking 16-passengers on a 1-hour semi-submersible tour. Feature rates, location, schedule, and pictures.
- http://www.caicostours.com/

AquaMir Ltd.
- Lamaka, Cyprus tour operator offering 40-passengers excursions to a depth of 150 feet. Features submarine specifications, company profile, reservation details, picture gallery, maps and directions. [English, Germany, French]
- http://www.sadkosub.com/

Haliburton Forest and Wildlife Reserve Ltd - Submarine
- Dive tours of MacDonald Lake, Ontario, Canada to a depth of 70 feet. Features PDF download for reservations.
- http://www.haliburtonforest.com/submarine.html

Tropical Submarine Safari Ltd.
- Offers submarine tours and single person undersea scooter rentals. Features company profile, rate card and a gallery of pictures and videos. [French, English]
- http://www.blue-safari.com/

Submarine Safaris S.L.
- Located in Puerto Calero, Canary Islands taking 48-passengers to excursions of 200 feet. Features company profile, schedule and sales, reservation form, and children's interactive resources. [English, Dutch, Spanish]
- http://www.submarinesafaris.com

Nautilus of Cayman Ltd.
- Semi-submersible providing underwater excursions off George Town, Grand Cayman, Cayman Islands. Features tour profile, map, and reservation form.
- http://www.nautilus.ky

The Bubble Sub
- Located in George Town, Grand Cayman, Cayman Islands carrying 2-passengers to excursions of 50 feet. Features company and vessel profile, picture gallery, and reservation form.
- http://www.bubblesub.com/

Stanley Submarines
- Located in Roatan, Honduras, Central America carrying 1 pilot and 2-passengers to excursions of 3,000 feet. Features vessel, destination, and marine life profiles, and sales information.
- http://www.stanleysubmarines.com/

Pacific Subsea Saipan, Inc.
- Located in Guam offering excursions of Saipan Lagoon to 100 feet. Features tour overview, daily schedule, video and picture gallery. [English, Japanese, Korean]
- http://www.submarine.co.mp/