Last reviewed May 15, 2026 by Dr. Dao Yuan Han, Data Editor & Lead Analyst, Long Island Traffic. PhD Mathematics · Differential Geometry · 10,000+ NY Open Data crash records analyzed. Gas data sourced from real-time station feeds covering all of Nassau and Suffolk County.
Long Island gas prices look chaotic. They are not. The same towns price 20–40 cents per gallon below their neighbors month after month. The same expressway exits charge a systematic premium. The same warehouse clubs anchor the bottom of the regional price curve. For a household running two vehicles 20,000+ miles a year, the difference between the cheapest 20% and the most expensive 20% of Long Island stations is $500–$900 a year.
This guide explains why, where, and how to capture it. It is grounded in Long Island Traffic’s live gas price directory, which aggregates station-level data across Nassau and Suffolk and updates regularly from public price feeds.
At a Glance: How to Pay Less for Gas on Long Island
Highest-Return Habits
- Use the Long Island Gas Price Directory to check prices in your home and work town before fills
- Costco / BJ’s gas if you already have membership and the location is convenient
- Monday morning fills beat Saturday morning fills by 2–8 cents typical
- Keep tires at door-jamb spec — under-inflated tires cost 1–3% of fuel economy
- Avoid LIE-exit and Sunrise-exit stations unless you have no alternative — typical 15–35 cent premium over local roads
Where the Cheapest Gas Tends to Be
| County | Lower-Priced Towns | Higher-Priced Areas |
|---|---|---|
| Nassau | Hempstead, Hicksville, Westbury, Levittown, Franklin Square, Elmont, Valley Stream | Glen Cove, Sea Cliff, North Shore villages |
| Suffolk | Bay Shore, Brentwood, Patchogue, Riverhead, Smithtown, Commack, Hauppauge | East Hampton, Southampton, Sag Harbor, North Fork wineries |
Why Long Island Gas Prices Vary by Town
Five structural factors explain most of the variance:
1. Distance from Major Fuel Terminals
Long Island’s gasoline supply comes by barge to Port Jefferson, Northport, and the Brooklyn / Long Island City waterfront. Stations closer to terminals — primarily western Nassau and the North Shore — have lower trucking costs. Stations in eastern Suffolk pay more in transport.
2. Local Competition Density
Two stations on the same intersection price each other down. A station alone on a stretch of Route 25 (Jericho Turnpike) prices up. High-density corridors like Hempstead Turnpike, the Route 110 corridor, and the Sunrise Highway commercial strip in western Suffolk produce the lowest prices.
3. Brand Structure
Hess (now Speedway), Shell, Mobil, BP, and similar major-brand stations price systematically higher than Costco, BJ’s, and independents. The reason: brand-mandated minimum margins and credit-card rewards programs that station owners build into the pump price.
4. Highway Exit Premium
Stations directly at LIE exits or Sunrise Highway exits price 15–35 cents above equivalent stations one or two blocks away on local roads. Tourist and out-of-town drivers do not know the difference. Long Island residents who use Long Island Traffic’s gas directory do.
5. Local Taxes and Franchise Structure
Within New York State, gas tax is uniform at the state level, but local sales tax and franchise structures create small differences across town lines. The Hamptons gas premium has a real local-business component beyond raw competition density.
Where to Buy Gas on Long Island, by Town
Our live gas price directory updates regularly with station-level prices for every Nassau and Suffolk town. The town pages below tend to consistently price below the Long Island regional average:
Nassau County
- Gas prices in Hempstead — high station density along Hempstead Turnpike
- Gas prices in Hicksville — dense corridor competition on Old Country Road
- Gas prices in Westbury — Old Country Road + Costco anchor
- Gas prices in Levittown — high competition + lower commercial rents
- Gas prices in Franklin Square — proximity to Queens competition
- Gas prices in Elmont — same Queens-border effect
- Gas prices in Valley Stream — warehouse-club proximity
- Gas prices in East Meadow — strong dense corridor
- Gas prices in Massapequa — Sunrise Highway corridor
Suffolk County
- Gas prices in Bay Shore — dense Sunrise Highway corridor competition
- Gas prices in Brentwood — same corridor, strong competition
- Gas prices in Patchogue — Sunrise Highway and Route 27A
- Gas prices in Riverhead — terminal proximity and Route 58 competition
- Gas prices in Smithtown — Route 25 corridor density
- Gas prices in Commack — Route 25 and Veterans Memorial Highway competition
- Gas prices in Hauppauge — corporate-park corridor competition
- Gas prices in Babylon — Sunrise + Montauk Highway intersection
- Gas prices in Lindenhurst — strong South Shore corridor
Towns That Tend to Price Higher
- North Shore villages with limited station density (Cold Spring Harbor, Lloyd Harbor, Centre Island)
- East Hampton, Southampton, Sag Harbor — the Hamptons premium is real
- Glen Cove and Sea Cliff — limited competition, higher-margin operators
- LIE and Sunrise Highway exits in eastern Suffolk where the only convenient stations are at the exit itself
The Day-of-Week Pattern
There is a real, repeatable weekly pricing pattern on Long Island:
| Day | Typical Price Movement |
|---|---|
| Sunday evening | Small decline before wholesale reset |
| Monday morning | Lowest of the week — wholesale adjustments hit retail Sunday night |
| Wednesday–Thursday | Prices creep up as travel demand builds |
| Friday afternoon | Peak — weekend demand kicks in |
| Saturday morning | Near peak — beach + Hamptons traffic |
| Saturday evening | Slight relief |
The swing is typically 3–8 cents per gallon — not life-changing on a single fill, but meaningful over a year. If you have schedule flexibility, Monday morning fills are slightly cheaper than Saturday morning fills.
The Warehouse Club Question
Costco (Westbury, Holbrook, Commack, Brentwood, Riverhead), BJ’s, and Sam’s Club consistently price 15–40 cents per gallon below brand-name stations on Long Island.
The Math for a Two-Car Long Island Household
- Annual gas spend savings: $300–$600
- Costco / BJ’s membership cost: $65–$130/year
- Net annual savings: $170–$535
The Catch: Wait Time
Costco gas at 6 PM Friday in Westbury is its own traffic event. Off-peak fills (weekday mornings, late evenings) are dramatically faster. The same goes for Hempstead Turnpike corridor stations and the Sunrise Highway corridor on Friday afternoons.
Costco Locations on Long Island
- Westbury (Old Country Rd) — busiest, longest waits
- Holbrook — central Suffolk, moderate waits
- Commack — North Shore service, often the fastest
- Brentwood — Sunrise Highway proximity
- Riverhead — North Fork access, lowest summer congestion
BJ’s Locations With Gas
- Westbury, Massapequa, Plainview, Hauppauge, Riverhead, Patchogue, Holbrook, and several others — check BJ’s Wholesale locator for current hours.
Brand Loyalty Programs and Credit Card Rebates — Real Math
The math is more nuanced than marketing suggests.
Station-Brand Programs
| Program | Typical Savings |
|---|---|
| Shell Fuel Rewards | 3–10 cents/gallon |
| Exxon Mobil Rewards+ | 3 cents/gallon + bonus |
| BP Driver Rewards | 5 cents/gallon |
| Sunoco Go Rewards | 3–5 cents/gallon |
These are useful, but they do not close the gap between branded stations and independents.
Credit-Card Gas Rebates
The strongest cards as of 2026:
- Costco Anywhere Visa — 4% on gas ($7,000 annual cap = $280/year max)
- Citi Custom Cash — 5% on top category up to $500/month = $25/month max
- AAA Daily Advantage — 3–5% on gas
- Sam’s Club Mastercard — 5% on gas (members) up to $6,000
- Discover It Cash Back — 5% on rotating quarterly categories (gas usually 1+ quarter/year)
A 4% rebate on $4.50/gal gas is 18 cents/gal — meaningful. The right stack for a Long Island commuter is typically: (a) Costco gas + Costco Visa if you have membership and the location is convenient, or (b) an independent station near home + a 4–5% gas-category credit card.
How to Use the Long Island Gas Price Directory
Our gas price directory shows station-level prices across Nassau and Suffolk, organized by town. The most useful patterns:
1. Plan Fills Around Routes You Already Drive
Do not detour 5 miles to save 15 cents per gallon. The math does not work for most vehicles. A 15-gallon fill saving 15 cents is $2.25 — less than the cost of an unnecessary detour at typical fuel economy.
2. Compare Your Home Town vs. Your Work Town
If one consistently prices cheaper, plan fills accordingly. For most Nassau commuters working in NYC, the home-town fill is the right choice. For Suffolk commuters working in Nassau, the work-town fill often wins because it is on the route home.
3. Save 2–3 Stations as Defaults
Decision fatigue costs more than chasing prices. Knowing your three best regular stations and rotating between them based on which one you drive past is the right approach.
4. Check Before Long Trips
Heading to Montauk on a Saturday? Fill up in Riverhead on the way out — you will pay 30–50 cents per gallon less than at Montauk Highway stations further east. Plan with our Friday Hamptons escape route guide.
Driving Habits That Actually Save Gas
Beyond station selection, the habits that move the needle:
Tire Pressure
A tire 5 psi under spec reduces fuel economy by about 2%. On an $80 weekly fill, that is $80/year per car. See our tire shop services editorial for the broader case.
Highway Speed Control
Driving 70 mph instead of 75 mph on the LIE saves 4–8% in fuel economy depending on vehicle. For an SUV that adds up fast.
Air Conditioning vs. Windows
At LIE speeds, AC is more efficient than open windows (aerodynamic drag dominates). At surface-street speeds, windows are more efficient.
Idling
Anything over 30 seconds is more efficient as a stop-and-restart. Modern vehicles with auto stop-start do this automatically.
Route Planning
Sitting in stop-and-go traffic on the Southern State Parkway or LIE burns 30–50% more fuel than steady-state driving. See our shortcuts library for routes that bypass the worst congestion zones:
All have real fuel-savings implications, not just time savings.
Premium vs. Regular: Does It Matter?
For most Long Island vehicles, no. The owner’s manual is the only source of truth.
- “Premium required” means premium. Using regular damages the engine over time.
- “Premium recommended” means the engine adapts to either, with slightly lower power on regular. Fuel savings usually exceed the power difference.
- “Regular” means regular. Premium is wasted money.
If you drive a vehicle with “premium recommended” — many BMWs, some Hondas, many luxury sedans — the math is closer than most owners think. Premium typically runs 50–80 cents over regular per gallon. On a 15-gallon fill that is $8–$12. If your fuel economy drops by 5%, you have saved nothing.
Recovering from an accident on Long Island? Rising vehicle-operating costs are real out-of-pocket damages in a personal injury claim — fuel, replacement transportation, and mileage for medical appointments are all recoverable. Use the JTNY Law settlement calculator to estimate what your claim may be worth before talking to the insurance company.
When Gas Prices Spike
Long Island gas prices respond to national events with a 2–5 day lag. When a refinery closure, hurricane, or geopolitical event moves wholesale prices:
- First three days: the cheap stations (Costco, independents) raise prices first. Brand stations follow.
- The gap between cheap and expensive widens. The difference between Costco and an LIE exit station can grow from 25 cents to 60 cents during a spike.
- Independents adjust first when prices fall. Brand stations lag on the way down, sometimes by a week.
The practical implication: during a spike, the difference between cheapest and most expensive stations widens, and chasing the cheap stations becomes more worth it.
Special Long Island Scenarios
Heading to the Hamptons
Fill in Riverhead on the way out. East end gas prices add up to 40–60 cents/gal once you cross Riverhead. Plan the Friday escape with our Hamptons route shortcut.
Heading to Jones Beach / Robert Moses
Fill in Massapequa or Wantagh on the way down. Park-adjacent gas stations are limited and pricier. See the Wantagh Parkway shortcut guide.
Heading to JFK
Fill in Franklin Square or Elmont — Queens-border competition keeps these stations low. See the JFK from Nassau route.
Heading to Manhattan
Fill before crossing into NYC. Nassau and Suffolk gas is consistently cheaper than Brooklyn and Queens stations. The savings are real on a 15-gallon fill.
FAQ: Long Island Gas
What is the cheapest gas on Long Island right now? Check our live Long Island Gas Price Directory. Prices update regularly from station-level feeds. The directory is the live answer; no static page can be accurate week-over-week.
Is Costco gas really cheaper? Yes, consistently 15–40 cents per gallon below brand-name stations. Membership is required ($65/year Gold Star, $130/year Executive). Worth it for any two-car Long Island household.
Why do gas prices vary so much between Long Island towns? Five factors: distance from terminals, local competition density, brand structure of nearby stations, proximity to highway exits, and local tax/franchise mix. Towns with high station density (Hempstead, Hicksville, Bay Shore, Brentwood) price lower. Towns with low density (North Shore villages, Hamptons) price higher.
Does the gas brand actually matter for engine performance? Within the “Top Tier” certified brands (Shell, Exxon, Mobil, Chevron, Costco, BJ’s, Sunoco, BP, and others), no meaningful difference. All meet a higher detergent standard than the federal minimum. Below Top Tier, occasional differences can affect long-term engine cleanliness — but the price gap usually outweighs the cleanliness gain.
Should I buy gas before or after a hurricane warning? Before. Prices spike for 3–7 days after a major weather event, and supply at low-cost stations runs out fastest.
Is it worth driving to a different town for cheaper gas? Generally no for routine fills. Save 20 cents/gal × 15 gallons = $3.00. A 5-mile round trip at 25 mpg burns ~$0.80 in fuel and 15 minutes of your time. The math only works if you are passing through the town anyway.
What is “Top Tier” gas and is it worth paying for? Top Tier is a voluntary detergent-additive standard signed by major automakers and adopted by leading gas brands. Most major Long Island stations (Costco, Shell, Mobil, Exxon, BJ’s, BP) are Top Tier. The price premium is typically zero or modest. There is no reason to deliberately avoid it.
How much can a Long Island household actually save by optimizing gas purchases? A two-car household driving 20,000+ miles a year can typically save $400–$900 annually by combining warehouse-club gas, optimal station selection, and a gas-category credit card.
Are Long Island gas prices going up or down in 2026? We do not forecast. Use the live directory for current pricing. Historical patterns suggest prices move with crude oil, refinery utilization, and seasonal demand. National averages are tracked by the U.S. Energy Information Administration.
Does Long Island have any 24-hour gas stations? Yes — most independents and many major-brand stations on Hempstead Turnpike, the LIE service roads, and Sunrise Highway operate 24/7. Costco and BJ’s hours are limited to club hours.
Do EVs make all of this irrelevant? For EVs, gas prices do not matter — but charging stations and electricity rates do. Long Island has significant PSEG residential rate variation, and public DC fast charging on the LIE is concentrated at specific service plazas and a handful of independent operators. The same store-selection logic applies to charging — plan routes and use lower-cost networks where possible.
Authority and Sources
- U.S. Energy Information Administration (EIA) — federal gas price data
- NY State Department of Taxation and Finance — NY motor fuel tax structure
- GasBuddy — crowd-sourced station-level pricing
- Top Tier Gas Standard — Top Tier-certified retailer list
- Long Island Traffic Gas Price Directory — station-level live prices
Related Long Island Traffic Coverage
- Long Island Gas Price Directory — live station-level pricing
- Best Tire Shop Services for Long Island Drivers — tire pressure and fuel economy
- Guide to Navigating Long Island Road Closures and Construction — congestion-related fuel waste
- Best Apps for Real-Time Traffic Updates on Long Island — route optimization
- Top Traffic Management Solutions for Long Island Businesses — fleet fuel strategy
- Long Island Shortcut Library — routes that save fuel
- Road Profiles — congestion-related fuel impact
Dr. Dao Yuan Han is the Data Editor & Lead Analyst at Long Island Traffic. The Long Island Gas Price Directory is updated regularly from station-level data feeds. For accident-related guidance, see our Know Your Rights library.