45m Niigata expedition vessel Southern Cross joins market

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All images courtesy of 37South

45m Niigata expedition vessel Southern Cross joins market

1 May 2025 • Written by Holly Margerrison and Emily Dawkins

The 44.8-metre expedition vessel Southern Cross has been listed for sale with Ben Osborne of 37South.

Constructed with a steel hull by Japanese yard Niigata for their government as a scientific research vessel in 1996, the yacht underwent an extensive refit and was transformed into a specialised expedition vessel in 2023-2024. Her exterior design is by Periscope Naval Architects, with interiors from Ashley Sutton Design and naval architecture from her original builders.

Southern Cross is asking $2,700,000

Works included an additional 18 tonnes of steel to the keel for improved stability, a purpose-built room for conferencing and dining, an expansive aft deck for storage and a new galley to serve "gourmet food" on long expeditions.

The sundeck and helipad deck (formed from the hardtop) were also part of the refit, with the former benefitting from a semi-enclosed bar area and an outdoor dining set-up.

A well-designed 319GT interior layout includes a main saloon with ample seating port and starboard and a dining area aft for up to eight guests. Meanwhile, plentiful natural light is provided by large windows. Accommodation is for up to 13 guests, comprising two double cabins and three double cabins with an additional single bunk.

Available for private use or charter, the yacht is well equipped for adventure as well as fishing excursions, featuring 11 rods and reels.

The yacht for sale is also kitted out with a comprehensive setup of military-grade equipment, while every onboard system has a failsafe full backup. A Niigata 6MG25HX diesel engine powers her to a top speed of 14 knots and a cruising speed of 10-12 knots.

Southern Cross is asking $2,700,000.

More about this yacht

Niigata   45 m •  1996

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