Squeeze every last drop out of summer with a day pass at one of the Bay Area's best resort pools. At these chic Wine Country hotels, Silicon Valley retreats, and East Bay hideaways, pool privileges can include everything from towels and fitness center access to spa treatments and complimentary bottles of bubbly. Go ahead, dive right in. --- Hotel Nia, Menlo Park While San Francisco suffers with its coldest summer in 40 years, Silicon Valley is simmering in perfect 80 degree weather. At Hotel ...