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St Thomas Cruise Ship Excursions

Top St. Thomas Excursions for Carnival & Royal Caribbean Cruisers

Cruising to St. Thomas with Carnival or Royal Caribbean? Don’t miss your chance to explore the island like a local with the best St. Thomas cruise ship excursions—designed for adventure, relaxation, and unforgettable Caribbean memories.

St Thomas Cruise Ship Excursions from Seas the Day ChartersSkip the overcrowded ship tours and enjoy personalized, top-rated shore excursions that guarantee timely return to your cruise. Whether you’re sailing with Carnival Cruise Line or Royal Caribbean International, you’ll find expertly guided St. Thomas tours that fit your schedule and style.

Want to relax? Try our beach excursions to Magens Bay, Sapphire Beach, or Secret Harbour. Craving adventure? Dive into snorkeling tours, swim with sea turtles, or explore coral reefs aboard a catamaran. Looking for sightseeing? Our scenic island tours take you through the heart of Charlotte Amalie and up to the breathtaking views from Mountain Top.

Families love visiting Coral World Ocean Park, while couples often book romantic sunset cruises or private boat charters. With so many things to do in St. Thomas, every Carnival and Royal Caribbean cruiser can find something perfect—right from the cruise port.

Our excursions are small-group, locally operated, and highly rated. You’ll experience authentic island hospitality, flexible booking, and easy access from both Crown Bay and Havensight ports.

✅ Book Your Excursion Today!

Don’t leave your port day to chance. Secure your cruise excursion in St. Thomas today and discover why Seas the Day is a trusted favorite among Caribbean travelers.

➡️ Book now at SeasTheDayUSVI.com and make the most of your St. Thomas adventure—whether you cruise with Carnival or Royal Caribbean!

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Snorkel & Swim with Turtles – Buck Island & Water Island Shared Boat Charter From $160 $130 per Person

Embark on a 4-hour semi-private boat charter experience to Buck Island and Water Island USVI from St. Thomas! Snorkel and swim with turtles at Turtle Cove and explore coral reefs that are home to tropical fish such as snapper, hamlets, parrotfish, surgeonfish, squirrelfish and other sea life. Then enjoy the beautiful white sandy Honeymoon Beach at Water Island.

Depart on this St. Thomas boat charter from Havensight, St. Thomas—conveniently located near the cruise ship docks.

Snorkel and Beach Catamaran Charter – Red Hook to St. John Shared Experience From $130

Snorkel and explore colorful coral reefs full of tropical fish, swim with turtles then visit one of the prettiest beaches in the USVI. On this intimate, semi-private boat charter, up to 12 guests will enjoy a 4-hour snorkel and beach adventure to St. John. This USVI boat charter is a great way to enjoy a day on the water from St. Thomas.

Depart on this St. Thomas boat charter from Red Hook, St. Thomas.

Luxury Full & Half Day Charters Aboard Sailing Catamaran 47’ S/Y Pisces
  • Most Popular
From $1395 $1325

Enjoy a private luxury catamaran boat excursion and discover the beautiful, quiet beaches of St. Thomas. Snorkel with stunning coral reefs full of fish and turtles. This boat charter is the perfect way to spend a day on the water in St. Thomas! Private boat charter for up to 12 guests.

Depart on this St. Thomas boat charter from Havensight, St. Thomas—conveniently located near the cruise ship docks.

Private Full-Day Boat Charter Aboard M/V Hydra, a Luxury Power Catamaran From $1495

Take a luxury private charter and experience the Virgin Islands aboard M/V Hydra. This spacious 40′ Gemini power catamaran offers extensive seating both on the bow and shaded aft deck. M/V Hydra is fast, dry and a whole lot of fun! Up to 12 guests will enjoy beach hopping and snorkeling in the turquoise waters of the Virgin Islands.

Depart on this USVI boat charter from Red Hook, St. Thomas, Cruz Bay, St. John, Lovango Resort and Beach Club or Havensight, St. Thomas.

Cas Cay Kayak, Hike & Snorkel Adventure Tour 3 Hours – St. Thomas
Kayak and snorkel through Cas Kay and the other small islands in St. Thomas’ Mangrove Lagoon on this half-day tour. Take an easy hike on the cay and learn about the booming population of local hermit crabs, get views over sandy bluffs, and watch the waves crashing against the shore. Don the provided snorkel equipment and explore the underwater world, inhabited by stingrays and colorful marine life.