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Black Sands Beach
Public beach · Mill Valley, California
Things to Do Near Black Sands Beach
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Beaches & Bluffs San Diego's Ultimate Coastal Driving Tour
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SAND HARBOR EXPERIENCE includes Transportation-Entry-Beach Camp
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Current water conditions
Live data from NOAA buoy TIBC1 (5.8 mi away), as of Aug 21, 9:00 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.
Weather at Black Sands Beach
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Frequently asked questions
- Where is Black Sands Beach?
- Black Sands Beach is a public beach in Mill Valley, California.
- What is the water temperature at Black Sands Beach?
- As of August 21, 2026, the water temperature at Black Sands Beach in Mill Valley, California is 67°F (19°C), measured by NOAA buoy TIBC1, 5.8 miles away.
- Can you swim at Black Sands Beach?
- There is no fixed answer for Black Sands Beach: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Black Sands Beach in Mill Valley, California. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Black Sands Beach rated?
- Black Sands Beach in Mill Valley, California has an average visitor rating of 4.8 out of 5, based on 101 reviews.
- What amenities does Black Sands Beach have?
- Visitor-listed amenities at Black Sands Beach include camping-nearby.
Visitor Reviews
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Best Times to Visit
- ›Arrive early for best parking and beach spot selection
- ›Check for lifeguard schedules and swim only in designated areas
- ›Bring reef-safe sunscreen to protect marine life
- ›Watch for beach flags indicating water conditions
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