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Internet providers in Port Jefferson, NY
Shop the best Port Jefferson internet providers. Compare internet plan pricing and speeds from cable, fiber-optic and DSL providers in your area.
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Port Jefferson, NY internet providers
Need help? Call (844) 451-2720
*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Feb 22, 2021.
Need help?Port Jefferson internet service at a glance
At 100%, broadband coverage in Port Jefferson is comparable to the rest of New York - 100%, and comparable to broadband coverage across the U.S. - 95%.
The vast majority of those living in the Port Jefferson area will have access to cable, which covers 100% of Port Jefferson residents. Fiber-optic internet is also an option for many, offering service to 93% of the area. DSL is less available but still a popular internet option for roughly 91% of those living in Port Jefferson.
There are five internet providers serving the Port Jefferson area, and 98.29% of households will have internet options from more than one provider. Among Port Jefferson's five internet providers, prices start at $29.99 and available download speeds reach up to 400 Mbps.
Top high-speed internet providers in Port Jefferson
The largest internet providers in Port Jefferson are Verizon and Optimum bringing fiber-optic, DSL, and cable options to Port Jefferson.
Fiber-optic internet from Verizon is available to nearly all Port Jefferson residents, covering 93% of households. Many will also have the option of DSL from Verizon, which covers 91% of the area. Port Jefferson’s third most-available internet provider, Optimum, offers cable to around 100% of Port Jefferson residents.

Verizon fiber-optic internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Feb 22, 2021.
Fiber-optic from Verizon offers broadband to nearly all households in Port Jefferson covering 93% of the area.
Fiber-optic service from Verizon is popular for its fast download and upload speeds, even during peak usage times, but may be less available throughout Port Jefferson than other internet types.
Internet prices for Verizon start at $39.99/mo.*, which is about the same as the average starting price for internet in Port Jefferson, $41.99.
For those who value internet speed as much as cost, Verizon offers download speeds up to 150 Mbps and upload speeds up to 150 Mbps in Port Jefferson. These download speeds are available to 93% of the area, and are about the same as the average max speeds from all Port Jefferson's providers, 150 Mbps.

Verizon DSL internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Feb 22, 2021.
DSL from Verizon offers broadband to nearly all households in Port Jefferson covering 91% of the area.
DSL internet from Verizon uses telephone lines in Port Jefferson to deliver service, which often leads to lower prices and higher availability, though download speeds are likely to be slower than cable or fiber-optic internet.
Internet prices for Verizon start at $39.99/mo.*, which is about the same as the average starting price for internet in Port Jefferson, $41.99.
For those who value internet speed as much as cost, Verizon offers download speeds up to 15 Mbps and upload speeds up to 1 Mbps in Port Jefferson. These download speeds are available to 91% of the area, and are much slower than the average max speeds from all Port Jefferson's providers, 150 Mbps.

Optimum cable internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Feb 22, 2021.
Cable from Optimum offers broadband to all households in Port Jefferson covering 100% of the area.
Optimum’s cable network is likely to offer faster speeds than DSL or satellite service, but Port Jefferson residents in densely populated areas may experience slowed speeds during peak usage times.
Internet prices for Optimum start at $30/mo.*, which is significantly lower than the average starting price for internet in Port Jefferson, $41.99.
Optimum customers who choose the lowest-priced plan can expect speeds up to 300 Mbps, which comes to an estimated $0.10 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in Port Jefferson, $0.46.
For those who value internet speed as much as cost, Optimum offers download speeds up to 400 Mbps and upload speeds up to 35 Mbps in Port Jefferson. These download speeds are available to 100% of the area, and are much faster than the average max speeds from all Port Jefferson's providers, 150 Mbps.
Internet coverage for rural areas
If you live in the heart of Port Jefferson, you’ll likely have options from cable, fiber-optic, and DSL internet providers. For those in rural areas or just outside Port Jefferson, however, satellite or fixed wireless internet may be the best internet option.
Satellite internet from HughesNet and Viasat offers 100% availability in Port Jefferson and surrounding areas. HughesNet starting prices are significantly higher than average in Port Jefferson at $59.99/mo. for speeds up to 25 Mbps. Viasat starting prices are higher than average in Port Jefferson at $50/mo. for speeds up to 25 Mbps. Satellite internet is a less appealing option for many Port Jefferson residents, however, as service typically comes with high latency and low data allowances.
Internet provider frequently asked questions
What’s the fastest internet provider in Port Jefferson?
Optimum is the fastest internet provider in Port Jefferson with download speeds up to 400 Mbps. These speeds are available to 100% of households in Port Jefferson. The next fastest internet provider in Port Jefferson is Verizon, offering download speeds up to 150 Mbps to 93% of the area.
What’s the cheapest internet provider in Port Jefferson?
Xfinity offers the cheapest internet in Port Jefferson with plans starting at $29.99/mo. This is significantly less than the average starting price for internet in Port Jefferson, $41.99.
Is fiber internet available in Port Jefferson?
Verizon is the largest fiber-optic internet service provider in Port Jefferson, covering 93% of the city.
Is cable or fiber internet better?
Fiber and cable internet are similar internet service types, but fiber offers a few advantages over cable. Fiber internet can deliver faster upload and download speeds than cable in most areas, and is less vulnerable to slowed speeds during peak usage times. Cable does have the advantage over fiber in terms of availability, covering 89% of U.S. households compared to fiber’s 38%.
Is cable or DSL better?
Cable internet will nearly always offer faster speeds than DSL, but typically at a higher price point. So if you’re shopping for cheap internet plans, DSL may be your better option but if you want speed, consider cable internet.
What internet providers are available at my address?
No matter where you live, your address is likely serviceable for satellite internet from providers such as HughesNet and Viasat. You will probably also have the option of at least one cable provider, such as Cox, Spectrum and Xfinity, and DSL providers such as Frontier and Verizon. Roughly a third of households will be eligible for fiber internet from AT&T, CenturyLink, Windstream or other providers.