San Diego Sues SeaWorld Over More Than $12 Million in Back Rent

Sadie, a 13-year-old bottlenose dolphin at SeaWorld San Diego, swims with her newborn calf at the marine park's Dolphin Stadium in San Diego on Oct. 20, 2014. Mike Aguilera/SeaWorld San Diego via Getty Images

SAN DIEGO—The city of San Diego sued SeaWorld Sept. 7 for allegedly failing to pay more than $12.2 million in rent, late fees, and interest.

The lawsuit follows a pledge to move forward with litigation if SeaWorld did not pay back rent and other penalties by Wednesday.