Glorietta Bay Inn at 1630 Glorietta Boulevard in Coronado occupies the 1908 Italian Renaissance mansion that sugar magnate John D. Spreckels commissioned architect Harrison Albright to build as his private residence on the bay side of Coronado Island. Albright designed the structure with reinforced-steel-and-concrete construction — an earthquake-resistance precaution prompted by the 1906 San Francisco disaster that destroyed much of Northern California's unreinforced masonry building stock — and the mansion's Mediterranean detailing, arched loggias, and bayside orientation survive intact as the inn's main building more than a century later. Spreckels, who bought out Hotel Del Coronado founders Babcock and Story by 1890 and retained ownership of the resort until 1948, built the Glorietta Boulevard mansion as his primary island residence while overseeing Coronado's development as a resort destination, and the property's conversion to an inn preserved the original entry hall, grand staircase, and period millwork in the mansion rooms while adding contemporary guest wings along Glorietta Bay. The 1630 Glorietta Boulevard address sits directly across from Glorietta Bay Park and the municipal boat launch, one block east of Orange Avenue and three blocks north of Hotel Del Coronado at 1500 Orange Avenue, placing guests at the intersection of the village commercial corridor and the bayfront recreation zone. The inn's 100 rooms span mansion suites with original architectural detail, contemporary poolside rooms, and bay-view configurations, and the 92118 location puts the Coronado Ferry Landing bayfront, Little Frenchie on Orange Avenue, and the full village dining and retail corridor within a flat walk. Glorietta Bay itself offers kayak and paddleboard launch access, and the Coronado Golf Course — a Jack Daray 1957 design playing 6,590 yards from the blue tees — borders the bay less than half a mile south of the inn. Spa services through Malahini Day Spa on Orange Avenue supplement the inn's on-site amenities for guests seeking massage and skincare treatments during a Coronado Island stay. The Spreckels provenance, the Albright architecture, and the Glorietta Bay waterfront position make this one of the few Coronado lodging properties whose building history rivals Hotel Del Coronado itself.