The Historic Penn Hotel in downtown San Diego's Gaslamp Quarter occupies a 1920-built structure at 511 F Street with 20 air-conditioned rooms configured as one-bedroom suites. Each unit includes a full kitchen with a stovetop, full-size refrigerator and freezer, and memory-foam bedding, placing a self-catered extended-stay format on the same Gaslamp Quarter dining grid where Melting Pot runs its fondue-service program a few blocks south on Fifth Avenue. Originally the William Penn Hotel, the building earned a place on the Gaslamp Quarter's historic-structures register and underwent a major renovation between 1999 and 2001 that converted the upper floors into 18 residential units alongside the hotel suites. Skylights and city-view windows ventilate individual rooms above the street-level storefronts, and keyless self-check-in replaces the traditional front-desk model. The budget-rate SRO positioning draws convention visitors who need a full-kitchen setup within walking distance of both the San Diego Convention Center and post-session recovery at Gaslamp Spa in the surrounding blocks. Multi-week stays test the full-kitchen format against the Gaslamp Quarter's nightly-rate hotel inventory eight blocks north of Petco Park.