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Sonic Drive-In
Sonic Drive-In
San Marcos, CA
1215 Grand Ave, San Marcos, CA, 92078-2605
7 items
Updated July 6, 2026
Structured menu data
Drive-In Top Picks
$7 Big Deal Meal
$7.00
940 calories
Berry Citrus Frozen Refresher
230 calories
Corn Dog
230 calories
Red, White and Blue Slush Float
420 calories
Strawberry Classic Shake
360 calories
Tots
250 calories
Tropical Heat SONIC Smasher™
870 calories
