Construction and delivery
On 22 May 2014, MSC Cruises announced that they had ordered two new 154,000 GT cruise ships from Fincantieri.[2] The new order was based on the Seaside prototype, with each ship costing €700 million each.[2]

On 16 October 2015, MSC performed the steel cutting ceremony for what would be their second Seaside-class ship in Monfalcone.[9] MSC revealed the name of the second Seaside-class vessel as MSC Seaview the following year, on 4 July 2016[10] On 2 February 2017, MSC held the keel-laying and coin ceremonies for the ship, in which two coins were placed under the ship's new keel block for good fortune before the keel was laid.[3][11] On 23 August 2017, MSC Seaview was floated out from the shipyard.[1] On 23 April 2018, she set sail for five days of sea trials.[12]

MSC Seaview was delivered on 4 June 2018 with a ceremony in Monfalcone.[13] She was christened in Genoa by her godmother, Sophia Loren, on 9 June 2018.[4]