Semi-Submarine

Quick Details

Explore the Enchanting Underwater World of St. Thomas

Travel below the ocean surface in air-conditioned comfort aboard the Nautilus, Semi-Submarine. Explore exotic Caribbean marine life during this 45-minute journey in a spacious 40-window panoramic underwater viewing cabin. Discover natural undersea coral gardens, view fish swimming past your porthole and scan the seagrass beds for turtles and stingrays.

Program Details

  • Total duration = 45 minutes (Includes orientation and dive)
  • Ages = All (Children under the age of 3 are free)
  • Participant weight requirement = None
  • Maximum group size = (25)
  • Water depth = (4ft below surface)
  • FREE Park admission – Includes free full-day admission to Coral World Ocean Park

Program Highlights

  • Board the Nautilus at the Coral World Ocean Park’s Sea Sanctuary Dolphin Habitat and begin your 45-minute exploration of the magnificent underwater world of St. Thomas.
  • Discover the natural undersea coral gardens packed with a myriad colorful tropical fish.
  • Scan the grass beds for turtles and stingrays and watch a fish feeding right from your porthole.
  • Your participation in this program helps Coral World Ocean Park support critical marine life conservation efforts.

Additional Information

  • Participants must be able to walk comfortably up and down stairs and a distance of 500 feet.
  • A minimum of 12 participants are required for a Nautilus trip to occur.
  • To schedule the Semi-Sub or for more information, email [email protected].
  • To discuss making program reservations for a guest with special needs, please contact us directly: [email protected].
  • If you don’t find what you are looking for, please contact our reservations team at 340-775-1555 ext 233.
  • If you are visiting on a cruise ship that offers this activity, please contact your cruise line directly to make your reservation.