Peerspace is the easiest way to book unique spaces for retreats. We also have spaces for productions and events.
Discover SpacesEvery day we uncover new, creative spaces perfect for your group retreat — from neighborhood gardens, expansive rooftops, trendy office spaces, and beyond.
Our spaces are priced to fit your budget. Hire by the hour for your retreat without worrying about hidden fees.
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The Ember Collective
5.7 miles from Castro Valley, CA5.0 (1)
75 guests
Serene Oasis: Retreats, Shoots & Parties
Serving the Castro Valley, CA area5.0 (11)
100 guests
Anza
Serving the Castro Valley, CA area4.9 (15)
25 guests
Potrero Hill Garden Pavilion
Serving the Castro Valley, CA area5.0 (162)
8 guests
The Academy SF
Serving the Castro Valley, CA area4.9 (132)
20 guests
Balboa House - Coastside
Serving the Castro Valley, CA area5.0 (1)
13 guests
Midcentury Boho Home
Castro Valley, CA5.0 (6)
15 guests
Midcentury Boho Large Outdoor Deck
Castro Valley, CA5.0 (7)
20 guests
Charming African Bohemian Cottage Retreat in the Heart of Castro Valley
Upper B Street, Castro Valley, CA24 guests
Heirloom East Bay
Castro Valley, CA5.0 (2)
75 guests
Elevate Your Meeting: Stylish and Spacious Venue in the Heart of the Bay Area
7.5 miles from Castro Valley, CA5.0 (1)
20 guests
Large Meeting Retreat Space in Oakland Hills
9.4 miles from Castro Valley, CA5.0 (2)
90 guests
Oakland Hills Mid-Century Modern | Meetings, Retreats
9.8 miles from Castro Valley, CA4.9 (10)
20 guests
Relaxing Retreat with fresh air and views
Serving the Castro Valley, CA area20 guests
Meeting Retreat: Bright, Spacious, Remodeled Historic Craftsman
Serving the Castro Valley, CA area5.0 (123)
10 guests
Oakland Retreat- Modern
Serving the Castro Valley, CA area10 guests
Oakland Retreat & Non Profit Meeting Space with Private Outdoor Garden
Serving the Castro Valley, CA area5.0 (72)
14 guests
Midcentury suburban retreat with canyon view
Serving the Castro Valley, CA area5.0 (255)
10 guests
Workstation West Berkeley
Serving the Castro Valley, CA area4.9 (33)
50 guests
Bright, Spacious North Berkeley 1906 Renovated Retreat
Serving the Castro Valley, CA area5.0 (25)
18 guests
Bayside Retreat: Cul-De-Sac Home w/ Hilltop Views
Serving the Castro Valley, CA area5.0 (2)
15 guests
Meeting Retreat: Modern House with a Artsy Scandinavian Feel in a Lush Setting
Serving the Castro Valley, CA area5.0 (11)
20 guests
Noe Valley's Large Light-Filled Retreat: Modern Space and Open Design
Serving the Castro Valley, CA area5.0 (5)
25 guests
Meeting Retreat in Motel 22 Home - San Francisco (M)
Serving the Castro Valley, CA area4.8 (4)
30 guests
Golden Gate San Francisco Retreat
Serving the Castro Valley, CA area5.0 (1)
10 guests
The Retreat : SF “HAS” Magic
Serving the Castro Valley, CA area5.0 (1)
5 guests
Meeting Retreat with Direct Beach & Ocean Access
Serving the Castro Valley, CA area5.0 (81)
20 guests
The B Lounge, LLC
Serving the Castro Valley, CA area20 guests
Gerstle Park Dream Home
Serving the Castro Valley, CA area30 guests
lux estate- circle driveway, sprawling pool, and patio setting. 1 flat acre. Central Marin!
Serving the Castro Valley, CA area40 guests
Executive Retreat in Silicon Valley
Serving the Castro Valley, CA area5.0 (12)
14 guests
Peaceful, private, spacious center for yoga, meditation, movement classes and retreats, set in nature
Serving the Castro Valley, CA area4.8 (4)
45 guests
Monarch Retreat Lakefront View
Serving the Castro Valley, CA area20 guests
Redwood Retreat in Spacious Santa Cruz Home
Serving the Castro Valley, CA area5.0 (26)
40 guests
Private Country Retreat, Pool, Hot Tub, Views and Gardens
Serving the Castro Valley, CA area18 guests
Pricing and popularity information in this section is based on proprietary Peerspace booking data, reflecting recent booking activity and the latest data available through March 2026.
Retreat spaces in Castro Valley average $250 per hour to rent, but it’s easy to spend less or more depending on what you’re looking for.
Our local hosts have welcomed 15 people into their retreat spaces with reviews averaging 5 stars. 100% of guests said they'd book again.
Most retreat spaces are scheduled for 16 hours, with 5 people in attendance. You’ll find the most Retreats starting between 9:00 AM and 10:00 AM.