[5] With a budget of USD $250 million, construction was implemented by Art and Project, TAA Group and Tejix.

[6] On March 27, 2017, a commemorative Lego-themed train began running on the Nagoya Rinkai Rapid Transit Aonami Line to celebrate the park's opening.

Merlin Entertainments announced plans to build a Legoland Hotel and a Sea Life aquarium next to the park in 2018 to help transform the area into a resort, which was expected to cost JPY¥10 billion.

The park reopened on March 23, 2020, with limited services, reduced business hours, mask mandates and mandatory temperature checks.

[12][13] Lego Ninjago Live, the Observation Tower, Submarine Adventure, The Coral Reef buffet, and the Knight's Table restaurant were not in operation.

[citation needed] Lego City is located on the park's north side and has activities such as Junior Driving School, Coast Guard HQ and Rescue Academy.

In this area of the park, guests learn to drive an electric car, take the wheel during a boat ride and work together to put out fires.

[citation needed] Pirate Shores is surrounded by water with activities including Splash Bottle, Castaway Camp, Anchors Away!

[citation needed] Legoland Japan includes several rides as well as a miniature town featuring iconic landmarks such as Tokyo Station, Kiyomizu Temple, and Nagoya Castle.

Sea Life Nagoya (ja: シーライフ名古屋), opened April 15,2018, is a public aquarium located on the 1st and 2nd floors of the Legoland Japan Hotel.

[24] Although part of Legoland Japan Resort, admission is charged separately for the aquarium and theme park.

[22] Sea Life Nagoya facilities include Shoaling Ring, Kiso River, Rockpools, Harbour, Seahorse nursery, Coral reef, Stingray Bay, Jellies, Sunken Shipwreck, Ryugu Castle (underwater tunnel), and Amazing Creations.