Internet providers in Islip, NY
Islip is a census-designated place (an unincorporated community) in New York with about 17,224 residents and roughly 7,074 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Islip, NY
Share of residential locations in Islip where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Verizon | Fiber, Fixed wireless | 96% | Check availability |
| 2 | Optimum | Fiber, Cable | 93% | |
| 3 | T-Mobile Home Internet | Fixed wireless | 84% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in Islip
Verizon reports service to the most residential locations in Islip, about 96%. 3 providers report coverage of at least half of locations (Verizon, Optimum, and T-Mobile Home Internet), so the market looks competitive. T-Mobile Home Internet offers fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Islip?
Fiber is widely available: about 95% of locations in Islip can get it. Gigabit-class service (1,000 Mbps down) is reported for about 94% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Islip that providers report they can serve. City-level figures, not your address.
Islip at a glance
About 86% of households in Islip have a broadband subscription, 4 points below the New York average of 90%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Islip
- East Islip, NY (2 mi)
- Bay Shore, NY (2 mi)
- Central Islip, NY (4 mi)
- Brentwood, NY (4 mi)
- West Islip, NY (5 mi)
- Bohemia, NY (5 mi)
- North Babylon, NY (6 mi)
- Deer Park, NY (6 mi)
- Babylon, NY (6 mi)
- Hauppauge, NY (6 mi)
- Sayville, NY (7 mi)
- Ronkonkoma, NY (7 mi)
- West Babylon, NY (8 mi)
- Dix Hills, NY (8 mi)
- Commack, NY (9 mi)
- Lindenhurst, NY (9 mi)
- Nesconset, NY (9 mi)
- Lake Ronkonkoma, NY (9 mi)
- Smithtown, NY (9 mi)
- Holbrook, NY (9 mi)
Frequently asked questions
Is fiber internet available in Islip?
Yes, in part. About 95% of residential locations in Islip can get fiber, 93% can get cable, and about 94% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Islip?
Verizon reports service to about 96% of residential locations in Islip, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Islip?
3 providers report service to at least 2% of locations in Islip, and 3 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Islip?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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