California, US
Rodeo Beach
Water Bodyocean
Sand Typesand
CountryUS
RegionCalifornia
Getting There
Nearest CityMarin City4.9 km
Airport (SFO)San Francisco International Airport27.4 km
Safety & Conditions
Shark Incidents0recorded
Sand & Geology
Rodeo Beach is known for its dark, pebbly sand, its uses for surfing and sunbathing, and its locale as a place for viewing, but not collecting, semi-precious stones.
Predicted regional compositionlithic-rich (volcanic/collisional terrane)
Q 36%
F 19%
L 44%
QuartzFeldsparLithic
Modelled from GloPrSM v1.0.0 (IJ_QFL). Calibrated on river sand, not measured beach samples — treat as a regional signal, not a sand assay.
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Rodeo Beach37.8305, -122.5371