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 Home Gas Prices Texas San Marcos

Top 10 Gas Station & Cheap Fuel Prices in San Marcos, TX

Sam's Club

Sam's Club 

Full Star IconFull Star IconFull Star IconFull Star IconHalf-filled Star Icon
 82
1350 Leah Ave
San Marcos, TX

Amenities

Membership Pricing
Pay at Pump
Membership Required

Reviews

stgbotmem245's avatar image
stgbotmem245
Apr 29 2026
Great Review Icon

Typical Sam’s Club, gas station, clean pumps, good lighting


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Murphy Express

Murphy Express 

Full Star IconFull Star IconFull Star IconFull Star IconHalf-filled Star Icon
 35
1201 Highway 80
San Marcos, TX

Amenities

Propane
C-Store
Pay at Pump
Restrooms
ATM

Reviews

stgbotmem603's avatar image
stgbotmem603
Aug 03 2023
Great Review Icon

I frequent this place because of its location, ease, and employees. Good for coffee and always the best price on gas.


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Valero

Valero 

Empty Star IconEmpty Star IconEmpty Star IconEmpty Star IconEmpty Star Icon
 0
2050 S IH-35
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms
Air Pump
Payphone
ATM
Loyalty Discount
Lotto
Beer
Wine

Reviews

stgbotmem245's avatar image
stgbotmem245
Apr 10 2026
Great Review Icon

Friendly courteous staff and great choice of food and beverage


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Exxon

Exxon 

Full Star IconFull Star IconFull Star IconFull Star IconHalf-filled Star Icon
 6
1636 Aquarena Springs Dr
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms
Loyalty Discount

Reviews

stgbotmem247's avatar image
stgbotmem247
Feb 12 2018
Okay Review Icon

Hard to get into lot.


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Shell

Shell 

Full Star IconFull Star IconFull Star IconFull Star IconEmpty Star Icon
 8
934 IH-35 N
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms
Air Pump
ATM

Reviews

stgbotmem629's avatar image
stgbotmem629
Sep 16 2022
Great Review Icon

Easy stop


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Valero

Valero 

Empty Star IconEmpty Star IconEmpty Star IconEmpty Star IconEmpty Star Icon
 0
204 Moore St
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms
Air Pump
Payphone
Loyalty Discount

Reviews

stgbotmem638's avatar image
stgbotmem638
Apr 22 2026
Great Review Icon

Great awesome location


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Shell

Shell 

Empty Star IconEmpty Star IconEmpty Star IconEmpty Star IconEmpty Star Icon
 0
1214 IH-35 S
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms

Reviews

stgbotmem627's avatar image
stgbotmem627
Jul 27 2023
Bad Review Icon

3rd shell, 3rd time GasBuddy refused.. this store had locked its doors with no sign explaining why.


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Valero

Valero 

Full Star IconFull Star IconFull Star IconHalf-filled Star IconEmpty Star Icon
 16
420 Sarah St
San Marcos, TX

Amenities

C-Store
Pay at Pump
Payphone
ATM
Loyalty Discount

Reviews

stgbotmem247's avatar image
stgbotmem247
Feb 17 2023
Great Review Icon

Quick and easy stop.


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Conoco

Texaco 

Full Star IconFull Star IconFull Star IconFull Star IconEmpty Star Icon
 12
1702 N IH-35
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms
Air Pump
Loyalty Discount

Reviews

stgbotmem550's avatar image
stgbotmem550
Apr 05 2026
Great Review Icon

Great morning


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Valero

Valero 

Full Star IconFull Star IconFull Star IconFull Star IconHalf-filled Star Icon
 20
1550 IH-35 N
San Marcos, TX

Amenities

C-Store
Pay at Pump
Restrooms
Air Pump
Loyalty Discount

Reviews

stgbotmem1's avatar image
stgbotmem1
Mar 17 2026
Okay Review Icon

Ok place


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 Home Gas Prices Texas San Marcos