

Discover 243 Day tour product in San Mateo County on Trip.com, updated October 20, 2026, with experiences lasting from 1 to 12 hours. Find the perfect adventure for your day!
From MXN718.84 per person, with an average total of MXN2,245.36. Choose the option that suits your plan.
With 2.994k verified reviews, Day tour product San Mateo County boast an average rating of 4.8.
This week's most popular Day tour product: "Monterey: Monterey Bay Dolphin and Whale Watching Boat Tour", with 734 reviews and a 4.8 rating.
Now on Trip.com: "BEST of Monterey Peninsula & Carmel-by-the-Sea Small Group Tour", a 8-hour adventure in San Mateo County!
The next available day tour departs on October 21, 2026. Book now to secure your spot!
San Mateo County Day tour product usually take about 8 hours — perfect for a relaxed, immersive experience!
71% of San Mateo County Day tour product now offer English-speaking guides
October is the perfect time to visit San Mateo County! Choose from 243 available day tours, including seasonal favorites like Monterey: Monterey Bay Dolphin and Whale Watching Boat Tour.
Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.










![1-day tour of the 17-Mile Drive scenic route on the Monterey Peninsula from San Francisco [Lone Cypress/Pebble Beach]](https://ak-d.tripcdn.com/images/0350912000ivzv5z52E2A_C_568_320.jpg?_fr=wc)















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