GlassDoor Restaurant in downtown San Diego's Little Italy sits on the fourth floor of the Porto Vista Hotel at 1835 Columbia Street, running a Mexican cantina with panoramic views of San Diego Bay, the harbor, and the downtown skyline. Floor-to-ceiling sliding glass doors open the dining room onto a 40-seat balcony, while an 800-square-foot Terrazas Patio on the south side adds firepit tables and lounge seating with unobstructed sightlines to the harbor — a cocktail-forward rooftop format also practiced with different cuisine at Craft & Commerce nearby on Kettner. The bar seats 12 across a sapphire-and-aquamarine swirled epoxy-resin countertop, backing a program of house-infused cocktails alongside a curated craft beer and wine list. Handmade multicolored stained-glass lanterns suspended throughout the dining room have become part of the restaurant's visual identity, providing the moody ambient lighting that defines evening service. Weekend brunch and weekday breakfast extend the daypart coverage beyond dinner and happy hour, a full-day rooftop schedule that contrasts with the dinner-only format at Topside Terrace Kitchen & Bar across downtown. The largest-format booking taps the adjacent 6,000-square-foot Ripassi Rooftop for private weddings and corporate receptions with full venue buyout.