It also depends on the "style" you envision, Monterey has many beautiful locations offering different ambiances from garden settings, to museums, Victorian homes, and everything in between. One of my favorite venues for classy yet reasonable is Gatherings (www.montereyweddingsites.com), but only for a guest count of less than 80. If you have more guests than that, try either La Mirada Museum or ask the people at Gatherings about the historical mini estate in Monterey that they are beautifully restoring as a wedding venue. All three of these allow you to BYOB!
The beach along 17 mile drive for the ceremony. Reception at Monterey Elks Lodge. Not sure if the Elks Lodge allows BYOB but it has a fantastic view, can hold a big group & is reasonably priced. Contact me for pics from sample weddings.