In which ocean does the fictional character SpongeBob SquarePants live?

"SpongeBob SquarePants" is an American animated comedy television series created by marine science educator and animator Stephen Hillenburg for Nickelodeon. The series chronicles the adventures and endeavors of the title character and his aquatic friends in the fictional underwater city of Bikini Bottom. The fifth-longest-running American animated series, its popularity has made it a media franchise. It is the highest rated series to air on Nickelodeon and ViacomCBS Domestic Media Networks' most distributed property. As of late 2017, the media franchise has generated $13 billion in merchandising revenue for Nickelodeon.

The series takes place primarily in the underwater city of Bikini Bottom located in the Pacific Ocean beneath the real-life coral reef known as Bikini Atoll. It's citizens are mostly multicolored fish who live in buildings made from ship funnels and use "boatmobiles", amalgamations of cars and boats, as a mode of transportation.

Recurring locations within Bikini Bottom include the neighboring houses of SpongeBob, Patrick, and Squidward; two competing restaurants, the Krusty Krab and the Chum Bucket; Mrs. Puff's Boating School, which includes a driving course and a sunken lighthouse; the Treedome, an oxygenated glass enclosure where Sandy lives; Shady Shoals Rest Home; a seagrass meadow called Jellyfish Fields; and Goo Lagoon, a subaqueous brine pool that is a popular beach hangout.