1
Sunoco
Sunoco
540 Islip AveIslip, NY
$3.75
Gas Prices in Islip
39 stations in Suffolk County — updated Aug 28, 8:35 PM
Find the cheapest gas prices in Islip, Suffolk County today. We track 39 gas stations across Islip and update prices daily using GasBuddy data. Islip is located in Suffolk County on Long Island, near LIE, Sunrise Highway, Southern State Parkway. Compare regular, mid-grade, premium, and diesel prices below to save on your daily commute. The average regular gas price in Islip is currently $4.05/gallon. The cheapest gas is $3.75 at Sunoco.
$3.75 Cheapest
$4.05 Average
39 Stations
2
Valero
Valero
226 Islip AveIslip, NY
$3.75
3
BP
BP
1490 5th AveBay Shore, NY
$3.89
P: $4.69 D: $5.39
per gal 4
Sinclair
Sinclair
645 Main StBay Shore, NY
$3.93
M: $4.43 P: $4.89
per gal 5
7-Eleven
7-Eleven
2320 Union BlvdBay Shore, NY
$3.93
M: $4.53 P: $4.93 D: $5.63
per gal 6
Speedway
Speedway
327 E Main StBay Shore, NY
$3.95
M: $4.49 P: $4.95 D: $5.69
per gal 7
Mobil
Mobil
211 5th AveBay Shore, NY
$3.97
M: $4.57 P: $4.89 D: $5.59
per gal 8
Mobil
Mobil
236 Bay Shore RdBay Shore, NY
$3.99
M: $4.49 P: $4.99 D: $5.99
per gal 9
Shell
Shell
515 E Main StBay Shore, NY
$3.99
M: $4.53 P: $4.99
per gal 10
Shell
Shell
1508 5th AveBay Shore, NY
$3.99
M: $4.79 P: $4.99 D: $5.79
per gal 11
Valero
Valero
2307 Union BlvdBay Shore, NY
$3.99
P: $4.89 D: $5.65
per gal 12
Valero
US 1
1164 Montauk HwyEast Patchogue, NY
$3.99
M: $4.49 P: $4.89 D: $5.69
per gal 13
Valero
Valero
151 Hospital RdEast Patchogue, NY
$3.99
D: $5.49
per gal 14
USA
USA
95 Moffitt BlvdBay Shore, NY
$4.01
M: $4.83 P: $5.05 D: $5.83
per gal 15
Sinclair
Sinclair
401 Medford AvePatchogue, NY
$4.01
P: $4.91
per gal 16
Valero
Valero
626 Medford AvePatchogue, NY
$4.01
P: $4.83
per gal 17
Valero
Valero
1692 Union BlvdBay Shore, NY
$4.03
P: $4.69
per gal 18
Valero
Valero
455 Waverly AveNorth Patchogue, NY
$4.05
19
Shell
Shell
494 Medford AvePatchogue, NY
$4.07
M: $4.49 P: $4.89 D: $5.99
per gal 20
Shell
Shell
1701 Union BlvdBay Shore, NY
$4.08
M: $4.95 P: $5.20
per gal 21
76
76
989 Sunrise HwyBay Shore, NY
$4.09
M: $4.49 P: $4.89 D: $6.09
per gal 22
BP
BP
1320 5TH AVEBay Shore, NY
$4.09
23
BP
BP
195 Pine Aire DrBay Shore, NY
$4.09
24
Mobil
Mobil
1050 Udall RdBay Shore, NY
$4.09
M: $4.49 P: $4.89 D: $5.99
per gal 25
CITGO
Sunoco
1310 5th AveBay Shore, NY
$4.09
M: $4.49 P: $4.89
per gal 26
Mobil
Mobil
451 W Main StPatchogue, NY
$4.09
M: $4.79 P: $4.99 D: $5.59
per gal 27
Shell
Shell
267 E Main StPatchogue, NY
$4.09
M: $4.79 P: $5.09 D: $5.59
per gal 28
Mobil
Mobil
2300 Sunrise Hwy Service Rd EastIslip, NY
$4.09
M: $4.46 P: $4.75 D: $5.99
per gal 29
Speedway
Speedway
214 Islip AveIslip, NY
$4.09
M: $4.59 P: $4.99 D: $5.79
per gal 30
Mobil
Mobil
504 NY-111Hauppauge, NY
$4.09
M: $4.49 P: $4.89 D: $5.99
per gal 31
CITGO
CITGO
234 Medford AvePatchogue, NY
$4.15
M: $4.59 P: $4.89 D: $5.95
per gal 32
OK
OK Petroleum
255 E Main StPatchogue, NY
$4.15
M: $4.49 P: $4.79 D: $5.85
per gal 33
Mobil
Mobil
113 Medford AvePatchogue, NY
$4.17
M: $4.79 P: $4.97 D: $6.03
per gal 34
Exxon
Exxon
172 Howells RdBay Shore, NY
$4.18
M: $5.08 P: $5.48
per gal 35
Mobil
Mobil
221 W Main StBay Shore, NY
$4.19
M: $4.89 P: $5.09 D: $5.89
per gal 36
Ultimate
Ultimate
270 W Main StPatchogue, NY
$4.19
P: $4.99 D: $5.60
per gal 37
Shell
Shell
279 W Main StPatchogue, NY
$4.21
M: $4.81 P: $5.01
per gal 38
USA
USA
283 W Main StPatchogue, NY
$4.23
M: $4.82 P: $5.03 D: $5.73
per gal 39
Shell
Shell
168 Howells RdBay Shore, NY
$4.25
M: $4.92 P: $5.33 D: $6.08
per gal More Cheap Gas Near Islip
Worth the short drive if the price gap covers it — ranked by price, distance-adjusted.
Islip Gas Price Context
The Suffolk County average for regular is currently $4.07/gal versus $4.08 across all of Long Island. If your commute runs along LIE or Sunrise Highway, check prices at both ends of the trip — the spread between the cheapest and priciest Long Island stations is regularly more than a dollar per gallon, and warehouse clubs (Costco, BJ's) reliably sit at the bottom of the table. Hit a pothole on the way? The Islip tire shop directory shows live open-now status, and our roadside safety analysis covers what to do if it happens on a parkway.
FAQ — Gas in Islip
Where is the cheapest gas near Islip right now?
The cheapest gas in Islip is $3.75/gal regular at Sunoco. Prices update throughout the day — the full ranked list is above.
Is gas in Suffolk County cheaper than the Long Island average?
Suffolk County currently averages $4.07/gal regular versus $4.08 island-wide — slightly cheaper than the Long Island average. Individual stations matter more than averages: the island-wide spread is often more than a dollar per gallon.
How often are Islip gas prices updated?
Prices are pulled from crowd-reported and posted-price feeds and republished throughout the day — this page was last rebuilt Aug 28, 8:35 PM. Each station card shows regular, midgrade, premium, and diesel where reported.