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Mastic Beach, NY

Internet Providers in 11951

Optimum has reported coverage near ZIP 11951. Confirm your address before ordering online.

Check Optimum Availability

Compiled by the InternetProviders.ai research desk from FCC broadband filings and our coverage database; last checked October 14, 2026.

FCC data as of June 20251 provider reported

Review 1 provider with reported coverage near ZIP code 11951, then enter your street address to confirm service and plan details.

Quick Answer

1 internet provider has FCC-reported coverage near ZIP code 11951 in Mastic Beach, NY. Reported providers include Optimum. Enter your address above, then confirm service, plans, and pricing before ordering.

Providers with Reported Coverage in 11951

Coverage data from FCC Broadband Data Collection. Actual availability may vary by exact address.

Other services to check at your address

T-Mobile, Starlink, and other address-qualified services are not counted as locally reported providers for ZIP 11951. Availability varies by address — confirm eligibility before ordering.

ZIP 11951 Internet at a Glance

  • Reported technology mix: 0 fiber, 1 cable, 0 5G/wireless
  • Fiber evidence: not found in the current sampled data; confirm with an address check
  • Sample coverage: 19/19 sampled grid cells contained admitted FCC records
1
Provider reported
FCC BDC
Coverage source
Required
Address confirmation

ZIP code 11951 is located in Mastic Beach, NY (population 14,841). 1 internet provider has reported coverage signals in the sampled area, without fiber infrastructure in the current sample. For full city-wide coverage details, see our Mastic Beach internet providers page.

Coverage by Technology in 11951

1
Cable Provider
100% of options

Coverage in Your Area (11951)

Based on sampled FCC broadband records around ZIP code 11951. These figures describe the sample, not every address in the ZIP.

Sampled Cells with Records
100%
19 of 19 sampled grid cells contained admitted records
Reported Max Download
940 Mbps
across all filers in the sampled infrastructure data
Reported Max Upload
35 Mbps
across all filers in the sampled infrastructure data
Low-Latency Flag
Reported
present in sampled FCC records

Counted providers with reported infrastructure near 11951:

Optimum (Cable)

Source: FCC Broadband Data Collection, H3 hex-level analysis, June 2025

Key Findings

  • 1 internet provider has FCC-reported coverage near ZIP code 11951
  • No fiber infrastructure appears in the current sampled data
  • FCC records found in 100% of sampled H3 grid cells
  • Exact service, plan eligibility, speeds, and pricing require an address check

Order by Phone

Call to order service or check availability at your address in 11951

FCC-reported internet coverage levels by technology for ZIP 11951
FCC-reported coverage levels by technology near ZIP 11951. Levels count the providers reporting each technology in the sampled area; confirm service at your address.

The coverage sample for Mastic Beach 11951 identifies Optimum cable. Check the full address and any apartment number to establish which service can be ordered. The recorded bands are any broadband: nearly all; fiber: most; cable: nearly all. A broad technology band is useful context, but it does not identify the product available at an individual home.

If you are moving to Mastic Beach, confirm the service date and equipment-delivery plan. The branch library and mainland William Floyd Estate are two local destinations worth adding to your list.

A branch address to keep with your moving notes

The Mastics-Moriches-Shirley library directory lists its Mastic Beach branch at 369 Neighborhood Road, Mastic Beach, NY 11951. The Main Library is separately listed in Shirley. This distinction matters when an event or room reservation points to one branch rather than the other.

Follow the library's event calendar to find activities at the intended location and consult its museum-pass and reservation information for the applicable rules. The captured branch schedules disagree about Monday opening, so verify the day's hours before leaving home. There is no need to plan the entire visit from an old timetable.

Explore the estate with the correct entrance and season

The National Park Service identifies the William Floyd Estate at 245 Park Drive, Mastic Beach, NY 11951. Although it belongs to Fire Island National Seashore, this estate is on the mainland. Use the estate's physical address rather than the park headquarters' mailing address in Patchogue.

The site includes the Old Mastic House, outbuildings, a cemetery and marked walking trails. NPS interprets the people who lived and worked there, including enslaved, indentured and Indigenous workers, alongside the Floyd family. Trail maps and visit information make this a useful introduction to local history after a move.

House tours and grounds access have different seasons. The published 2026 house-tour season ended September 27; check NPS's current information for grounds access and later tour arrangements. The agency also notes that food and beverages are not sold on site, a practical detail for planning an outing with children.

Compare the actual order before committing

Use our Mastic Beach internet hub, Optimum overview and provider directory to continue the home-service comparison. Ask about the recurring charge, equipment and installation arrangement returned for your address rather than filling those gaps with ZIP averages.

This snapshot was collected October 13, 2026; the collection date does not establish the filing period. The FCC's Broadband Data Collection uses location-level reports, whereas the bands here are an extracted area summary.

Questions for a Mastic Beach move

Is the William Floyd Estate reached through park headquarters?

Use the estate's listed physical address, 245 Park Drive in Mastic Beach. The National Seashore's headquarters mailing address is a different location.

Are the house tours available whenever the grounds are accessible?

No. NPS publishes separate seasonal arrangements, and the listed 2026 house-tour season ended September 27. Check the current estate page before planning an indoor tour.

What should I ask Optimum if the summary also mentions fiber?

Ask which product and technology qualify at your exact address. The named entry here is Cable; the fiber: most band alone does not establish an orderable fiber plan.

Site editorial standards: George Olfson. Data methodology: Pablo Mendoza. Read our methodology or report a correction.

How We Rank Providers & Where the Data Comes From

Provider names and sampled advertised technology and speed evidence on this page come from the FCC National Broadband Map and the FCC Broadband Data Collection (June 2025), sampled at H3 grid-cell granularity. ZIP results are shortlist evidence, not address-level serviceability. National catalog plans are excluded until market eligibility is proven. Confirm service, the current offer, and installation terms at the exact address. See our full ranking methodology.

See All Providers in Mastic Beach

View detailed coverage, provider comparisons, and more options for the Mastic Beach, NY area.

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Sources & Methodology

This guide is based on data from FCC broadband filings and provider plan details. Pricing, speeds, and availability vary by location, so confirm them with the provider before ordering. For a detailed explanation of our data collection and scoring process, see our methodology page.

Last verified: October 2026. InternetProviders.ai is an independent resource. We may earn commissions from partner links. Commissions never change a provider's rating or the plan facts we list. See our methodology for details.

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