Source: Afterguard Sailing Academy
Set sail on a three-hour cruise across the bay during the day or at sunset including wine tastings -- an experience Travelzoo subscribers call "spectacular."
April 4, 2014 - Oct. 4, 2014; dates vary by voucher
Source: Bay Area Expeditions
Hike and camp in Big Sur -- "a stretch of wilderness so overwhelmingly beautiful that it enchants everyone who visits" (Frommer's) -- with this half-off package.
Any upcoming trip through Oct. 21, 2014; select dates
Source: Bay Area BBQ & Grilling School
Roll up your sleeves and save more than 50% with this hands-on, six-hour
barbecue cooking and smoking class from Bay Area BBQ and Grilling School.
April 18, 2014 - Dec. 21, 2014; classes held Friday-Sunday
Source: Pietra Santa Winery
For nearly 60% off, two can spend an afternoon tasting varietals and touring Pietra Santa Winery, which boasts a 4-star Yelp rating.
March 27, 2014 - Sept. 28, 2014; tasting room open Thursday-Sunday
Source: SF Bay Adventures
Get out on the water and cheer on the Giants with a four-hour sail by AT&T Park on the Freda B, a classic 80-foot schooner.
April 15, 2014 - Aug. 12, 2014; select dates
Source: Bay Area Discovery Museum
The Bay Area Discovery Museum in Sausalito is "the ultimate indoor-outdoor interactive kids' adventure" with "jaw-dropping" views of the city (Frommer's).
March 25, 2014 - June 29, 2014; closed Mondays, blackout dates apply
Source: Mare Island Golf Club
Tee off at Mare Island Golf Club with 360-degree views of San Pablo Bay and the "mountains, rivers, wildlife refuges and bridges that frame it" (Golf Guide).
March 21, 2014 - July 21, 2014
Source: Randy's Fishing Trips & Whale Watching
Randy's Fishing Trips & Whale Watching earns an overall 94% positive rating from Travelzoo subscribers who praise the "friendly staff" and "awesome trips."
April 7, 2014 - Oct. 31, 2014
Source: Quarryhill Botanical Garden
Quarryhill is "a sanctuary of precious plants," boasting the "largest collection of wild-collected Asian plants" in the U.S. (The Sacramento Bee).
March 3, 2014 - Sept. 3, 2014
Source: Beyond Canvas
Beyond Canvas hosts step-by-step painting classes throughout the city and earns a perfect 5-star rating on Yelp.
Select dates through May 26, 2014
Source: Randy's Fishing & Whale Watching Trips
Monterey has "played host to a mammoth convocation of sea life that scientists here say is unprecedented in their memories," says The New York Times.
June 16, 2014 - Oct. 31, 2014
Source: Vie Winery
Sip wine and play bocce with friends while soaking up the scenic San Francisco waterfront at Vie Winery, one of Refinery29's 10 Urban Wineries To Visit.
Feb. 1, 2014 - June 22, 2014; Saturday & Sunday
Source: Ricochet Ridge Ranch
Horseback ride along the Mendocino coast, a slice of Northern California praised for its "profound natural beauty and fierce independence" (New York Times).
Jan. 6, 2014 - May 22, 2014
Source: Adventure Connection
Plan ahead for summer rafting down the American River with Adventure Connection, which receives a 100% positive rating from past Travelzoo riders.
April 6 - Aug. 1, 2014, depending on option purchased
Source: Blue & Gold Fleet
Cruise past Alcatraz and take in the sights of downtown San Francisco with a 60- or 90-minute Blue & Gold Fleet cruise. Save 50% on regular prices.
Jan. 14, 2014 - Nov. 26, 2014
Source: Half Moon Bay Kayak Company
Two people can paddle around Pillar Point Harbor in a kayak or on stand-up paddleboards for half the regular price.
April 11, 2014 - July 28, 2014
Source: Red and White Fleet
Soak up dynamic sights of the city on a 60-minute narrated Golden Gate Bay cruise, which earns a 96% approval rating from past Travelzoo guests.
March 25, 2014 - Dec. 16, 2014
Source: Sup Shack
Catch a picturesque sunset over the Pacific Ocean as you glide through the tranquil waters of Santa Cruz Harbor with a sunset stand-up paddleboard tour.
March 24, 2014 - July 21, 2014
Source: Rachel Dunn Chocolates
Learn to make holiday sweets from confectionery legend Rachel Dunn, credited with making "some of the most delicious local artisan chocolates" (Diablo).
Select dates through Sept. 26, 2014
Source: Sherman Cellars from Creekview Vineyards
Taste wine paired with top-rated Brix Chocolate at Sherman Cellars in downtown San Jose. Travelzoo visitors award it a 95% positive rating.
Feb. 20, 2014 - Aug. 20, 2014
Source: The Golf Club at Roddy Ranch
This "delight" of a course has been called one of the best public courses in the Bay Area by ABC Local. Save nearly 60% on a round at top-rated Roddy Ranch.
April 11, 2014 - June 22, 2014
Source: USS Pampanito
Spend the day aboard the USS Pampanito, a World War II Balao-class submarine museum and memorial at Fisherman's Wharf.
March 5, 2014 - June 21, 2014
Source: Explore San Francisco
Eat, walk or run your way through the city with a tour from Explore San Francisco, which earns a perfect 5-star TripAdvisor rating.
Next available tour date - Sept. 25, 2014; dates vary by voucher
Source: Computer History Museum
"The Valley's answer to the Smithsonian" (USA Today), the Computer History Museum houses decades of inventions that chronicle the computer's evolution.
April 10, 2014 - Oct. 10, 2014; Wednesday-Sunday
Source: Sonoma Coast Divers
Get a taste for scuba diving with a two-day certification course off the Sonoma Coast for 50% off the regular price.
April 5, 2014 - Aug. 16, 2014; select dates
Source: ABC Languages
Boost your linguistic skills with a six-week program or crash course at ABC Languages, voted Best Language Classes in the city by CBS Local.
Any available class now through Sept. 20, 2014; select dates
Source: Emperor Norton Tours
Discover San Francisco on a neighborhood walking tour. The tours -- rated 5 stars on TripAdvisor and Yelp -- include three options: Union Square, Chinatown and North Beach.
April 10, 2014 - July 10, 2014; days vary by voucher
Source: Paint Nite
For $25, regularly $45, Travelzoo subscribers can flex their creative muscles during a two-hour Paint Nite event at bars around the country.
Jan. 17, 2014 - June 30, 2014
Source: Blazing Saddles Bike Rentals & Tours
San Francisco has been rated among the most bike-friendly cities in the United States by CNN, and you can spend a day cruising the City by the Bay with this deal on day-long bike rentals.
March 26, 2014 - Sept. 19, 2014
Source: Elevate Group Fitness
Kick-start your fitness this year with these 5- or 10-class packages starting at $40 that save more than 60% on regular prices.
Feb. 3, 2014 - July 6, 2014
Source: Sip California
Taste wines from more than 30 wineries in the Sonoma Valley, hailed by Fodor's as the "birthplace of California winemaking" with an "unpretentious attitude."
March 26, 2014 - Dec. 31, 2014; must redeem voucher by Nov. 30, 2014
Source: Bay Voyager
Hop aboard a 28-foot Navy Seal-style boat and zip around the bay with Bay Voyager, which earns a 5-star rating from Yelp reviewers.
March 21, 2014 - Aug. 17, 2014; Friday-Sunday
Source: San Francisco Museum and Historical Society
Preserve the city's rich history with an annual membership to the San Francisco Museum and Historical Society for nearly 60% off.
March 25, 2014 - Dec. 31, 2014
Source: Big Jim's BBQ
Sharpen your barbecue skills with a five-hour instructional cooking class with Big Jim's BBQ, which garners a 4.5-star rating on Yelp.
March 31, 2014 - June 14, 2014
Source: Bay Area Glider Rides
Take in views of the Diablo Mountain Range and San Luis Reservoir, or Gabilan Mountain Range and Mount Madonna from the cockpit of a glider plane.
April 4, 2014 - June 30, 2014; Thursday-Monday
Source: Blue Dolphin Magazines
For $12, get a $25 subscription credit to apply to any of the 1,000-plus titles from Blue Dolphin Magazines.
Redeem voucher by Feb. 1, 2015
Source: Oakland Zoo
The Oakland Zoo is home to more than 660 native and exotic animals and is rated 4.5 stars on TripAdvisor with a 2013 Certificate of Excellence.
March 18, 2014 - June 18, 2014
Randy's Fishing Trips & Whale Watching earns an overall 95% positive rating from Travelzoo subscribers who praise the "friendly staff" and "awesome trips."
Feb. 19, 2014 - March 31, 2014; select days
Source: Hayward Flight
Save on a private 90-minute flight lesson and take the cockpit controls of a Cessna 172 with this deal.
March 31, 2014 - May 16, 2014
Source: Bay Riders Group
Conquer the open road on a motorcycle with an all-inclusive beginner lesson from Bay Riders Group, which gets a 4.5-star rating on Yelp.
Jan. 29, 2014 - March 30, 2014
Source: Hiddenbrooke Golf Club
"It's easy to see why [this] is one of the Bay Area's favorite public facilities," says GolfCalifornia.com of this Arnold Palmer-designed course.