HAYES VALLEY. Named after a 17th-century Viennese coffeehouse, Blue Bottle nurtures an insatiable need to produce the freshest, best and most environmentally-friendly coffees in the area. The two-person operation maintains strict quality control by roasting in small batches, not selling coffee more than 48 hours out of the roaster, and insisting on only organic, pesticide-free beans. The difference in taste is astounding: richer flavor, less harshness and incredible fragrance. Aficionados will rejoice at discovering such a grail.

NORTH BEACH. Greco's European sensibility makes it a classic with city residents and travelers, who come to indulge in perfectly crafted cappuccinos, scrumptious pastries, and a casual but lively vibe. Score an outside table for the best people-watching, or pick an inside perch for quieter purposes. Bagels and focaccia sandwiches provide savory, substantial alternatives, and tiramisu is a fresh, delicious treat any time of day. Attentive, conscientious service makes the place even more appealing.

NORTH BEACH. In the 1950s, this original North Beach location was the first on the West Coast to offer espresso, fast becoming a "beatnik" hot spot. The beans were roasted and prepared by Italian immigrant Giovanni Giotta, who's still at the helm, along with his wife and kids. Coffee lovers find great cappuccino, along with muffins, sandwiches, salads, and pizzas. In keeping with tradition, there's live music every Saturday. A classy, relaxed café equally suited for idle afternoons.

PACIFIC HEIGHTS. Created in 1983 by Christopher Calkin and Arnold Spinelli, Tully's offers an array of pastries and coffees. Their full-flavored signature blend depends on slow-roasted arabica beans and makes a great pick-me-up. You can also try an icy "Spin" for a nice twist on the ordinary cup of joe. If coffee's not on the agenda, consider homemade ice cream or shakes studded with fresh fruit and berries.