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Restaurants
/Texas
/San Marcos
/Sonic Drive-In

Sonic Drive-In

San Marcos, TX

2830 IH-35 S, San Marcos, TX, 78666-5929

7 itemsUpdated July 6, 2026

Structured menu data

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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

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