Tokyo DisneySea is the larger of the two theme parks at the Tokyo Disney Resort. While Tokyo Disneyland is a classic "castle park" spanning approximately 126 acres, Tokyo DisneySea covers roughly 176 acres, making it about 40% larger in terms of physical footprint. The size difference is even more apparent in 2026 following the massive expansion of Fantasy Springs, which added three distinct areas based on Frozen, Tangled, and Peter Pan to DisneySea. While Tokyo Disneyland is more densely packed with traditional attractions and Fantasyland whimsy, Tokyo DisneySea uses its vast acreage to create more sprawling, cinematic landscapes and larger bodies of water, such as the Mediterranean Harbor. For a traveler, this means Tokyo DisneySea generally requires more walking and time to navigate, while Tokyo Disneyland offers a more compact, high-energy layout. Regardless of the acreage, both parks are world-class destinations that typically require a full day each to experience properly.