Is gas cheaper in Suffolk County compared to Nassau County or NYC?

Gas prices in Suffolk County can often be slightly cheaper than in Nassau County, and almost always cheaper than in NYC (except possibly Staten Island). However, prices can vary significantly across the large county, with areas closer to the Nassau border potentially being pricier than eastern towns.

Are there many 24-hour gas stations in Suffolk County?

Yes, 24-hour stations are common, especially along major highways like the Long Island Expressway (LIE/I-495) and Sunrise Highway (Route 27), and in larger towns. However, in more rural or eastern parts of the county (like the North and South Forks), station hours may be more limited, especially off-season.

Where can I find diesel fuel in Suffolk County?

Diesel is widely available, particularly at stations located near LIE exits and along Sunrise Highway, which are major routes for commercial trucks heading east/west on Long Island. Look for major brands like Shell, BP, Sunoco, Mobil, and Exxon, especially larger truck-friendly stops.

Are there membership club gas stations (Costco, BJ's) in Suffolk County?

Yes, Suffolk County has multiple locations for both Costco (Commack, Holbrook, Riverhead) and BJ's Wholesale Club (multiple locations), which typically offer significantly lower prices on Top Tier gasoline for members.

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Complete Guide: The 10 Best Gas Stations in Suffolk County, NY | Long Island Guide

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Complete Guide: The 10 Best Gas Stations in Suffolk County, NY | Long Island Guide

By: AZ New York Staff

Suffolk County: Fueling Eastern Long Island

Covering the vast eastern two-thirds of Long Island, Suffolk County ranges from densely populated western towns bordering Nassau County to the rural landscapes and popular vacation destinations of the East End (The Hamptons and North Fork). Key arteries like the Long Island Expressway (LIE/I-495), Sunrise Highway (Route 27), and Montauk Highway (Route 27A) are lifelines for residents, commuters, and seasonal visitors. With approximately 760 gas stations – the most of any county in New York State – Suffolk offers numerous options, often with prices slightly lower than neighboring Nassau County.

Gas Stations in Neighboring Counties & Key Suffolk Towns
County / Borough / Town	Approx. Nº of Stations	Approx. Distance (from Central Suffolk – Hauppauge)
Suffolk County, NY	~760	0 miles
Nassau County, NY	~535	~10 miles
Queens, NY	~370	~30 miles
Huntington, NY	~30	~8 miles
Islip, NY	~15	~6 miles
Babylon, NY	~20	~12 miles
Smithtown, NY	~15	~5 miles
Patchogue, NY	~15	~15 miles
Riverhead, NY	~20	~30 miles
Southampton, NY	~10	~45 miles

Useful Tips for Drivers in Suffolk County

LIE is Central: The Long Island Expressway (I-495) runs through the spine of the county. Most major towns and numerous gas stations are easily accessible within a few miles of LIE exits.
Sunrise Highway (South Shore) & Route 25 (North Shore): These east-west routes parallel the LIE and serve many communities directly. Gas stations are frequent along both.
East End Planning: Stations become less frequent and potentially more expensive as you travel further east into the Hamptons and onto the North Fork, especially during peak tourist season. Plan ahead and fill up in western Suffolk or near Riverhead before heading to the Forks.
Membership Clubs Offer Value: Costco (Commack, Holbrook, Riverhead) and BJ’s Wholesale Club (multiple locations) provide significant savings on Top Tier gas for members and are strategically located across the county.
Cash Discounts Persist: Similar to Nassau and parts of NYC, looking for cash discounts can save you money per gallon at many stations.

Curiosity: Seasonal Price Fluctuations
Gas prices in the eastern parts of Suffolk County, particularly in the Hamptons and near popular beaches, can see noticeable price increases during the summer tourist season (Memorial Day to Labor Day). Demand surges, and stations in prime locations may charge a premium. Filling up further west can often yield better prices.

Frequently Asked Questions (FAQ)

Is gas cheaper in Suffolk County compared to Nassau County or NYC?: Gas prices in Suffolk County can often be slightly cheaper than in Nassau County, and almost always cheaper than in NYC (except possibly Staten Island). However, prices can vary significantly across the large county, with areas closer to the Nassau border potentially being pricier than eastern towns.
Are there many 24-hour gas stations in Suffolk County?: Yes, 24-hour stations are common, especially along major highways like the Long Island Expressway (LIE/I-495) and Sunrise Highway (Route 27), and in larger towns. However, in more rural or eastern parts of the county (like the North and South Forks), station hours may be more limited, especially off-season.
Where can I find diesel fuel in Suffolk County?: Diesel is widely available, particularly at stations located near LIE exits and along Sunrise Highway, which are major routes for commercial trucks heading east/west on Long Island. Look for major brands like Shell, BP, Sunoco, Mobil, and Exxon, especially larger truck-friendly stops.

Are there membership club gas stations (Costco, BJ’s) in Suffolk County?: Yes, Suffolk County has multiple locations for both Costco (Commack, Holbrook, Riverhead) and BJ’s Wholesale Club (multiple locations), which typically offer significantly lower prices on Top Tier gasoline for members.

Ranking: The 10 Best Gas Stations in Suffolk County

This AZ New York list selects top gas stations across Suffolk County, prioritizing value (Costco/BJ’s), strategic placement near major highways (LIE, Sunrise), popular towns, availability of diesel, 24-hour service, and brand reputation.

1. Costco Gas Station (Commack)

Address: 10 Garnet Way, Commack, NY 11725

Telefone: (631) 716-1003

Site: costco.com

Services: Top Tier Regular (87), Top Tier Premium (93).

Justification: Hugely popular location offering some of the lowest gas prices in western Suffolk. Situated just off the Sunken Meadow Parkway near the LIE in Commack. Expect lines (members only).

2. BJ’s Gas Station (Islandia)

Address: 1900 Veterans Memorial Hwy, Islandia, NY 11749

Telefone: (631) 761-6831

Site: bjs.com

Services: Top Tier Regular (87), Premium (93), Diesel.

Justification: Another excellent value option for members, offering Top Tier gas and diesel. Located in central Suffolk near the LIE (Exit 57) in Islandia, making it convenient for many commuters.

3. Shell (Dix Hills / LIE Exit 51)

Address: 1895 E Jericho Turnpike, Dix Hills, NY 11746

Telefone: (631) 499-1055

Site: shell.com

Services: Shell V-Power NiTRO+, Diesel, Convenience Store, 24/7.

Justification: Large, busy Shell station right off LIE Exit 51 in Dix Hills. Offers diesel and 24/7 service, a reliable stop for highway travelers in western Suffolk.

4. Mobil (Ronkonkoma / LIE Exit 60)

Address: 3180 Express Dr N (LIE North Service Rd), Ronkonkoma, NY 11779

Telefone: (631) 467-1718

Site: exxon.com

Services: Synergy™ Gasoline, Diesel, Convenience Store, 24/7.

Justification: Located directly on the LIE North Service Road at Exit 60 in Ronkonkoma, near Long Island MacArthur Airport. Easy on/off access for LIE travelers, offers diesel.

5. BP (Patchogue / Sunrise Hwy)

Address: 477 Sunrise Hwy (South Service Rd), Patchogue, NY 11772

Telefone: (631) 289-7756

Site: bp.com

Services: Gasoline with Amoco Invigorate, Convenience Store, 24/7.

Justification: Conveniently located on the Sunrise Highway Service Road in Patchogue, a major hub on the South Shore. Reliable 24/7 BP station.

6. Costco Gas Station (Riverhead)

Address: 1768 Old Country Rd, Riverhead, NY 11901

Telefone: (631) 284-3200

Site: costco.com

Services: Top Tier Regular (87), Top Tier Premium (93).

Justification: The easternmost Costco gas location, crucial for finding cheap gas before heading out to the North Fork or The Hamptons. Located in the shopping hub of Riverhead (members only).

7. Sunoco (Southampton / Montauk Hwy)

Address: 30 Nugent St, Southampton, NY 11968

Telefone: (631) 283-9794

Site: sunoco.com

Services: Top Tier Gasoline, Convenience Store.

Justification: One of the main, reliable branded stations within the village of Southampton in The Hamptons. Prices will be high, especially in season, but it’s a centrally located option on the South Fork.

8. Mobil (Huntington / Jericho Tpke)

Address: 1044 E Jericho Turnpike, Huntington Station, NY 11746

Telefone: (631) 271-9721

Site: exxon.com

Services: Synergy™ Gasoline, Diesel, Convenience Store, Auto Repair.

Justification: Serves the busy Jericho Turnpike corridor in the Huntington area. Offers diesel and auto repair, making it a versatile stop.

9. Speedway (Medford / LIE Exit 64)

Address: 2717 Express Dr N (LIE North Service Rd), Medford, NY 11763

Telefone: (631) 714-4903

Site: speedway.com

Services: Speedway Gasoline, Large Convenience Store, 24/7, Speedy Rewards.

Justification: Large truck-friendly station located directly on the LIE North Service Road at Exit 64 in Medford. Offers competitive pricing and extensive convenience store options, popular with commuters.

10. BP (Smithtown / Route 347)

Address: 1045 W Jericho Turnpike (Route 25/Middle Country Rd intersection area, technically Nesconset), Smithtown, NY 11787

Telefone: (631) 979-9130

Site: bp.com

Services: Gasoline with Amoco Invigorate, Convenience Store.

Justification: Located at a major intersection serving the Smithtown area, connecting Jericho Turnpike (25) and Middle Country Road (formerly Route 347 corridor). Reliable BP option for central North Shore traffic.

Do you have a go-to gas station in Suffolk County? Share your recommendations in the comments!

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