1
Mobil
Mobil
211 5th AveBay Shore, NY
$3.73
M: $4.35 P: $4.75 D: $5.09
per gal Gas Prices in Islip
41 stations in Suffolk County — updated Jun 30, 10:34 PM
Find the cheapest gas prices in Islip, Suffolk County today. We track 41 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 $3.88/gallon. The cheapest gas is $3.73 at Mobil.
$3.73 Cheapest
$3.88 Average
41 Stations
2
Valero
Valero
151 Hospital RdEast Patchogue, NY
$3.73
M: $5.13 P: $5.13 D: $5.55
per gal 3
Mobil
Mobil
1050 Udall RdBay Shore, NY
$3.75
M: $4.23 P: $4.63 D: $5.47
per gal 4
Mobil
Mobil
236 Bay Shore RdBay Shore, NY
$3.75
M: $4.15 P: $4.55 D: $5.27
per gal 5
Valero
US 1
1164 Montauk HwyEast Patchogue, NY
$3.75
M: $4.29 P: $4.69 D: $5.49
per gal 6
Shell
Shell
1365 Montauk HwyEast Patchogue, NY
$3.77
D: $5.39
per gal 7
BP
BP
1672 5TH AVEBay Shore, NY
$3.79
8
Shell
Shell
1508 5th AveBay Shore, NY
$3.79
M: $4.39 P: $4.69 D: $5.59
per gal 9
Sinclair
Sinclair
645 Main StBay Shore, NY
$3.79
M: $4.47 P: $4.87
per gal 10
Husco
Husco
700 S Country RdEast Patchogue, NY
$3.79
M: $4.49 P: $4.69
per gal 11
Mobil
Mobil
113 Medford AvePatchogue, NY
$3.79
M: $4.49 P: $5.19 D: $5.19
per gal 12
Valero
Valero
226 Islip AveIslip, NY
$3.79
13
Mobil
Mobil
504 NY-111Hauppauge, NY
$3.79
M: $4.35 P: $4.75 D: $4.89
per gal 14
Sinclair
Sinclair
401 Medford AvePatchogue, NY
$3.81
M: $4.23 P: $4.63
per gal 15
BP
BP
1490 5th AveBay Shore, NY
$3.83
P: $4.63 D: $5.23
per gal 16
Valero
Valero
1692 Union BlvdBay Shore, NY
$3.83
17
76
76
989 Sunrise HwyBay Shore, NY
$3.85
M: $4.57 P: $4.97 D: $5.77
per gal 18
Exxon
Exxon
172 Howells RdBay Shore, NY
$3.85
M: $4.35 P: $5.09
per gal 19
Shell
Shell
1701 Union BlvdBay Shore, NY
$3.85
M: $4.75 P: $4.99
per gal 20
CITGO
Sunoco
1310 5th AveBay Shore, NY
$3.85
21
OK
OK Petroleum
255 E Main StPatchogue, NY
$3.87
M: $4.29 P: $4.49 D: $5.09
per gal 22
Exxon
Exxon
1501 5th AveBay Shore, NY
$3.88
M: $4.79 P: $4.99 D: $5.59
per gal 23
BP
BP
1320 5TH AVEBay Shore, NY
$3.89
24
Shell
Shell
168 Howells RdBay Shore, NY
$3.89
M: $4.62 P: $5.18 D: $5.62
per gal 25
Speedway
Speedway
327 E Main StBay Shore, NY
$3.89
M: $4.44 P: $4.95 D: $5.59
per gal 26
CITGO
CITGO
234 Medford AvePatchogue, NY
$3.89
M: $4.19 P: $4.59 D: $5.09
per gal 27
USA
USA
283 W Main StPatchogue, NY
$3.89
M: $4.68 P: $4.98 D: $5.89
per gal 28
Speedway
Speedway
214 Islip AveIslip, NY
$3.89
M: $4.39 P: $4.79 D: $5.09
per gal 29
Sunoco
Sunoco
540 Islip AveIslip, NY
$3.89
M: $4.29 P: $4.69
per gal 30
Valero
Valero
455 Waverly AveNorth Patchogue, NY
$3.91
M: $4.41 P: $4.81 D: $5.39
per gal 31
Mobil
Mobil
221 W Main StBay Shore, NY
$3.95
M: $4.79 P: $4.99 D: $5.49
per gal 32
Shell
Shell
515 E Main StBay Shore, NY
$3.99
33
Shell
Shell
494 Medford AvePatchogue, NY
$3.99
M: $4.49 P: $4.69 D: $5.29
per gal 34
Shell
Shell
267 E Main StPatchogue, NY
$3.99
M: $4.59
per gal 35
Sunoco
Sunoco
343 E Main StPatchogue, NY
$3.99
36
7-Eleven
7-Eleven
2320 Union BlvdBay Shore, NY
$3.99
M: $4.54 P: $4.99 D: $5.69
per gal 37
Mobil
Mobil
2300 Sunrise Hwy Service Rd EastIslip, NY
$3.99
M: $4.45 P: $4.89 D: $5.69
per gal 38
Valero
Valero
626 Medford AvePatchogue, NY
$4.03
M: $4.73 P: $4.83
per gal 39
Valero
Valero
2307 Union BlvdBay Shore, NY
$4.05
40
Parkway
Parkway Express
1490 Brentwood RdBay Shore, NY
$4.09
M: $4.89 P: $5.09
per gal 41
Shell
Shell
279 W Main StPatchogue, NY
$4.11
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 $3.92/gal versus $3.90 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 $3.73/gal regular at Mobil. 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 $3.92/gal regular versus $3.90 island-wide — slightly above 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 Jun 30, 10:34 PM. Each station card shows regular, midgrade, premium, and diesel where reported.