Simi Winery
For an unforgettable celebration in an extraordinary setting, invite up to 130 friends and family for a creekside wedding at Simi Winery in Healdsburg. Enjoy dinner prepared by the winery's catering team on the stone-paved courtyard, which is part of the outdoor kitchen. (It even has a wood pizza oven!) Heaters and umbrellas come included in the rental price, so guests stay toasty and dry no matter what the weather. (707) 473-3213, SimiWinery.com
Olema Inn & Restaurant
The six-room Olema Inn & Restaurant in Olema is a historic hotel and restaurant. The space inside seats 98, but open the party onto the adjacent patio (which they'll tent if needed) to fit up to 130 friends and family. Rent the inn for a full or half day and work with the restaurant's chef to create an all-organic menu. (415) 663 9559, TheOlemaInn.com
San Jose City Hall
The glass-dome rotunda (fits 350) at San Jose City Hall in San Jose was designed to maximize natural light, making it great for a daytime wedding, and the building's sleek architecture gives it a modern feel. Make sure your favorite caterer gets approved for service in the venue. (408) 535-1248, SanJoseCa.gov/events
James Leary Flood Mansion
Seat up to 200 guests at the historic James Leary Flood Mansion in San Francisco. The fantastic views of downtown and the building's gorgeous architecture will complement any bride's beauty. Choose from the venue's list of preferred caterers and valet parking companies; they can also provide you with a list of nearby hotels for guests. (415) 563-2900, FloodMansion.org
The Westin St. Francis
Choose from one of the 34 rooms available to rent at The Westin St. Francis in San Francisco. The elegant Grand Ballroom can seat a staggering 1,100 people, so you won't have to worry about trimming that guest list. Work with the hotel's event staff to choose one of the catering packages offered for certain spaces. (415) 774-0126, WestinStFrancis.com
San Francisco Film Centre
Get married on the veranda at the San Francisco Film Centre, with up to 100 guests there with you. Stick to the veranda for cocktails, then move inside the old-world, Spanish-style building for dinner and dancing. The adjoining Palm Room can seat up to 150. Choose from a list of preferred caterers and then take advantage of the on-site professionally equipped catering kitchen. (415) 561-3456, SFFilmCentre.com
Thomas Fogarty Winery
For a romantic daytime wedding (parties here must conclude by 8 p.m.), go with Thomas Fogarty Winery in Woodside. Fit 216 guests beneath the covered pavilion for your ceremony and in the glass-enclosed terrace for your reception. (650) 851-6772, FogartyWinery.com
Calistoga Ranch
Calistoga Ranch in Calistoga has a rustic yet sophisticated vibe. For a sweet view of the ranch's private canyon and a gorgeous lake, Lommel Lawn is your spot. Inside, the Wine Cave & Founders Room (seats 84 with room to dance) is decked out with wrought-iron chandeliers and arched walls, giving it a lounge-y feel. Work with the ranch's catering team to plan your menu. (707) 254-2817, CalistogaRanch.com
The Ritz-Carlton, San Francisco
The Terrace Courtyard at The Ritz-Carlton, San Francisco in San Francisco has a stunning red-brick courtyard enclosed by sculpted hedges -- perfect for a ceremony or a reception for up to 225 guests. If a ballroom is more your style, the one here can seat as many as 826 guests. Work with the hotel's catering team to plan your menu. (415) 296-7465, RitzCarlton.com
Stryker Sonoma Winery
The Stryker Sonoma Winery in Geyserville mixes contemporary architecture with vineyard charm. The Barrel Cellar is the perfect spot for an intimate reception -- it seats 100 guests. Bump up your guest list to 150 if you hold your reception on the pretty, outdoor Main Event Green, surrounded by zinfandel vines. Be sure to book early—the winery closes to private events at certain times of the year, like September and October. Bring in any caterer you like. (800) 433-1944, StrykerSonoma.com
-- Jaimie Dalessio