The castle's design pays tribute to the 12 Disney Princesses and 2 Frozen queens:[1] Snow White, Cinderella, Aurora, Ariel, Belle, Jasmine, Pocahontas, Mulan, Tiana, Rapunzel, Merida, Anna, Elsa, and Moana.

The castle forecourt features a show stage and viewing area for the new daytime and nighttime spectacular, Follow Your Dreams and Momentous.

Hong Kong Disneyland Resort and Walt Disney Imagineering Asia revealed creative design concepts and details of the upcoming castle transformation on 8 December 2017.

[5] On 20 November 2020, former managing director of Hong Kong Disneyland Resort Stephanie Young officially announced the opening of Castle of Magical Dreams in a celebration moment with Disney Princesses and heroines and representatives of local non-profit organizations.

[6] As part of the park's 15th anniversary celebration, the opening of Castle of Magical Dreams came along with a behind-the-scenes exhibition and an audio tour in introducing the creative process from conceptual sketches, innovative building techniques to story integration.