National Geographic Gemini

National Geographic Gemini is an expedition cruise ship operated by Lindblad Expeditions, primarily for year-round voyages in the Galápagos Islands. The vessel was built by Cassens Werft in Emden, Germany, and launched on February 17, 2001. It was completed in June of the same year and originally entered service under the name Sun Bay for Sun Bay Cruises. The ship changed identity and operating arrangements several times during its career. In 2004, following its acquisition by Royal Caribbean Group, it was renamed Xpedition and placed into service for Celebrity Cruises as Celebrity Xpedition. Under that name, it became associated with small-ship expedition cruising in the Galápagos, a destination whose operations are subject to environmental, capacity, and itinerary constraints. The ship is distinct from larger conventional cruise vessels because its design and deployment emphasize access to remote island environments rather than high passenger volume or extensive onboard entertainment infrastructure. In 2025, Lindblad Expeditions purchased the vessel and renamed it National Geographic Gemini. The acquisition brought the ship into Lindblad's expedition fleet and aligned it with the National Geographic-branded approach to destination-focused travel, natural-history interpretation, and small-group exploration. As part of the transition, the ship underwent a significant refit. Its passenger capacity was reduced from 96 guests to 48, while the crew complement was adjusted to 57. This configuration reflects a more intimate expedition model and provides a higher crew-to-guest ratio than the vessel's earlier arrangement. National Geographic Gemini measures approximately 296 feet, or 90 meters, in overall length and has a beam of about 43 feet, or 13 meters. Its gross tonnage is 2,937 GT, and its service speed is approximately 16 knots. The vessel was originally configured for 96 passengers and 68 crew members. Its compact size allows it to serve expedition itineraries that require maneuverability and relatively limited guest capacity. The ship has a sister vessel, Sun Bay II, which was later converted for private-yacht use and ultimately operated as Lauren L. Cassens Werft also constructed the larger National Geographic Orion, which followed a broadly similar design concept. National Geographic Gemini's operational history includes a grounding incident in the Galápagos on November 5, 2019, when it was operating as Celebrity Xpedition. No passengers or crew were injured, and no environmental damage was reported. The vessel remains an active expedition ship under the National Geographic Gemini name.

National Geographic Gemini began its maritime career as Sun Bay, a small expedition-oriented cruise vessel constructed by Cassens Werft in Emden, Germany. The ship was launched on February 17, 2001, and completed in June 2001. Its original operator was Sun Bay Cruises, and its initial configuration accommodated up to 96 passengers alongside 68 crew members. The ship's first major identity change occurred in 2004. After acquisition by Royal Caribbean Group, it was renamed Xpedition and operated by Celebrity Cruises under the name Celebrity Xpedition. This period established the vessel as a Galápagos expedition ship associated with Celebrity's premium cruise business. Its relatively small size, compared with mainstream cruise ships, made it suitable for itineraries centered on island access, wildlife encounters, and guided exploration. The ship's operating history included an incident on November 5, 2019, when Celebrity Xpedition ran aground in the Galápagos Islands. The available account reports that neither passengers nor crew were injured and that no environmental damage occurred. The incident did not change the ship's long-term role as a Galápagos expedition vessel. In 2025, Lindblad Expeditions acquired the ship and gave it the name National Geographic Gemini. The change brought the vessel into Lindblad's expedition fleet and connected it to the National Geographic travel brand. Lindblad subsequently carried out a significant refit that reduced passenger capacity to 48 guests and established a crew complement of 57. The revised arrangement shifted the ship toward a more intimate, small-group expedition format, with a substantially higher crew-to-guest ratio than its original configuration. National Geographic Gemini is approximately 90 meters long, with a 13-meter beam, gross tonnage of 2,937 GT, and a service speed of roughly 16 knots. It operates year-round itineraries in the Galápagos Islands. The ship has a sister vessel, Sun Bay II, which was later converted into a private yacht and operated as Lauren L. The larger National Geographic Orion was also built by Cassens Werft to a broadly comparable design. These related vessels place National Geographic Gemini within a lineage of compact ships designed for expedition cruising rather than mass-market ocean travel.

1. 2025Lindblad acquisition and rebranding

   Lindblad Expeditions purchased the vessel, renamed it National Geographic Gemini, and refitted it for a 48-guest expedition configuration.

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2. 2019Grounding in the Galápagos

   Celebrity Xpedition ran aground in the Galápagos Islands on November 5. No injuries or environmental damage were reported.

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3. 2004Renamed Xpedition

   Following acquisition by Royal Caribbean Group, the ship was renamed Xpedition and operated by Celebrity Cruises as Celebrity Xpedition.

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4. 2001Launch and completion

   Cassens Werft launched the vessel in Emden on February 17, 2001, and completed it in June. It entered service as Sun Bay for Sun Bay Cruises.

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A small-capacity, destination-focused expedition vessel positioned around intimate Galápagos exploration, wildlife observation, and nature-oriented travel.

• National Geographic GeminiExpedition cruise ship2001

  A 90-meter expedition cruise ship operated by Lindblad Expeditions. The vessel has a gross tonnage of 2,937 GT, a service speed of approximately 16 knots, and a post-refit capacity of 48 guests supported by 57 crew members. It operates year-round Galápagos Islands itineraries focused on small-group exploration and nature-based travel.

• 2025Acquisition by Lindblad ExpeditionsM&A

  Lindblad Expeditions acquired the vessel, formerly known as Celebrity Xpedition, to operate it within its expedition fleet.

  What changed. The ship was renamed National Geographic Gemini and assigned to Lindblad's Galápagos program.

  Aftermath. A substantial refit reduced capacity from 96 passengers to 48 guests and established a 57-person crew complement.

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• 2025National Geographic Gemini acquired and renamed by Lindblad Expeditions

  Lindblad Expeditions purchased the former Celebrity Xpedition and renamed it National Geographic Gemini. The vessel was refitted for a smaller 48-guest configuration and assigned to Galápagos expedition operations.

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• 2019Celebrity Xpedition ran aground in the Galápagos Islands

  The vessel, then operating as Celebrity Xpedition, ran aground in the Galápagos Islands. No passengers or crew were injured, and no environmental damage was reported.

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1. National Geographic Gemini
2. National Geographic Gemini – Lindblad Expeditions