MS Sea Princess (formerly Adonia, formerly Sea Princess) is a Sun-class cruise ship operated by the Princess Cruises line. She has three sister ships: Sun Princess in the Princess Cruises fleet and Oceana (formerly Ocean Princess) and Pacific Explorer (Formerly Dawn Princess) in the P&O Cruises fleet.

History

The vessel was delivered to Princess Cruises from the shipbuilders of Fincantieri, Italy and began operation in 1998, under the name Sea Princess.

She was transferred to P&O Cruises in late 2002/early 2003. P&O renamed her Adonia on 21 May 2003, at a launching ceremony with sister ship Oceana. The Princess Royal and her daughter Zara Phillips named the sister ships in the first double ship naming ceremony ever in the UK. Adonia filled the gap left in the P&O Cruises fleet in the period between Arcadia leaving the fleet to become Ocean Village and the launch of the new Arcadia in 2005, when the vessel was transferred back to Princess Cruises. The ship also received the "Movies Under The Stars" feature.

While sailing as Adonia the vessel was dedicated as an adults-only ship, and for this period the children's playroom was refitted as a quiet lounge that featured massage chairs facing the panoramic windows. The children's play pool was converted into a Feng Shui relaxation area.

When Princess Cruises took her back again in 2005, the vessel was once more named Sea Princess, in a ceremony by Joanna Lumley.
Sea Princess is based year round out of Australia, joining her sister, the Sun Princess.
She, like the Sun Princess, took her maiden world cruise in May 2013. Grand Princess replaced the ship on seasonal ten-day Alaska cruises roundtrip San Francisco.

Refit

From 11 September to 25 September 2009, Sea Princess went into dry dock at BAE Systems, Pier 70 in San Francisco. The forward open deck area directly above the buffet restaurant became Princess' "Oasis of Tranquility", the Sanctuary, removing the "splash pool". The propellers, rudders and thrusters were refurbished. The photo gallery area and Lotus Spa were remodeled and the passenger services desk re-floored.

Film crews from the National Geographic channel were on hand to film the dry dock repairs. The ship's refurbishment was the subject of the 3 June 2010 episode of World's Toughest Fixes.

The next refurbishment took place at the end of the 2012 cruising season.

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