GuyScience / "Caumsett State Park" / Wikimedia Commons / CC BY-SA 4.0 Image source CC BY-SA 4.0 Resized. Historical photograph from 2019; present conditions may differ.
Screen Trips visitor guide
Sirens Filming Locations on Long Island
Sirens is set on the fictional island of Port Haven, but the limited series filmed across New York. Caumsett supplied the public estate grounds, Lloyd Harbor supplied the arrival town, a private residence helped create Cliff House, and Steiner Studios supplied interiors. The useful trip is Caumsett. Private houses and built studio interiors explain the screen illusion without adding visitor stops.
Start here
Where filming happened
Where filming happened: Caumsett and Lloyd Harbor supplied the Long Island exteriors, Steiner Studios supplied built interiors, and the series used limited Buffalo material. Best visitor plan: Use the official Caumsett trail map for a half-day loop through the estate landscape and shoreline. What to exclude: Do not look for a tourable Cliff House, enter private residential roads, or treat Steiner Studios as a visitor stop. The guide below separates title evidence, current visitor permission, and route logic so the trip remains useful even when a controlled stop is unavailable.
Filming locations
What you can visit, and what to leave off the route
| Place | Production role | Status and cluster | Current action | Evidence |
|---|---|---|---|---|
| Caumsett State Historic Park Preserve | The public park supplied the coastal grounds around the fictional Cliff House estate | Conditional public stop Caumsett public park |
public park | |
| Caumsett Main House precinct | A mapped estate landmark that helps visitors understand the scale of the real property, without claiming a specific scene or an open interior | Exact public stop Caumsett public park |
public exterior, signs control | |
| Caumsett woodland and shoreline routes | The woods, meadows, and Long Island Sound shore match the documented production property, though Netflix does not itemize every camera point | Conditional public stop Caumsett public park |
mapped trails | |
| Lloyd Harbor | The village stood in for the small town where Devon arrives, but it remains a residential community rather than a fan attraction | Conditional public stop Excluded production context |
public roads, no loitering | |
| Private Cliff House residence | A private coastal home contributed to the mansion exterior and was substantially altered by production design | Private or excluded Excluded production context |
private, no pin | |
| Steiner Studios, Brooklyn | Soundstages held the built Cliff House interiors seen throughout the series | Private or excluded Excluded production context |
working studio, no public route | |
| Buffalo production material | Limited footage establishes Devon and Simone's earlier life, but no sufficiently useful public camera-point route is confirmed | Broad production region Excluded production context |
context only |
Route shape
Choose the route cluster that can stand on its own
Film editing compresses real geography. Choose one independently worthwhile cluster, verify its current controls, and avoid converting distant or private production facts into a single checklist.
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Caumsett public park
Order: Follow a mapped loop through estate landscape, woods and shoreline as current trail conditions allow.
Transfer: Walk the official park network; choose distance for daylight, weather and the return to parking.
Current check: Check park notices and signed restrictions; an estate landmark does not mean an open house interior.
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Excluded production context
Order: Lloyd Harbor residential context, private Cliff House and Steiner Studios are explained without a fan route.
Transfer: Do not drive private roads or travel to a studio expecting a public mansion set.
Current check: No private-home pin, studio tour or Buffalo camera-point itinerary is promised.
Best single stop: Caumsett State Historic Park Preserve
Time reality: Half day on official Caumsett trails
Route reality: The useful trip is Caumsett. Private houses and built studio interiors explain the screen illusion without adding visitor stops.
Traveler task
Recheck the rule that controls each stop
A title-specific source establishes why a place appears here. The current owner, operator, or public authority determines whether the visit can happen now.
- Start at Caumsett's main public entrance and check the posted hours, vehicle fee, and notices
- Use the state trail map to choose a pedestrian loop that fits daylight and mobility needs
- Pause near the Main House precinct only where current signs allow public access
- Continue through the mapped woodland and meadow landscape rather than improvising a shortcut
- Reach a signed shoreline viewpoint only when trail and weather conditions are suitable
- Return inside the park before sunset and skip all private residential and studio locations
Do this now: Open the cited operator pages on the travel day and remove any stop whose hours, route, safety status, or permission cannot be confirmed.
Fact check
Keep the production record separate from the story world
Filmed in
Long Island exteriors and Brooklyn studio interiors Caumsett and Lloyd Harbor supplied the Long Island exteriors, Steiner Studios supplied built interiors, and the series used limited Buffalo material.
Set in
Fictional Cliff House estate and its social world The series' island is fictional, while New York locations construct its screen geography.
The page withholds exact pins, private approaches, studio access, and surviving-set claims whenever authoritative evidence or current permission is absent.
Scene to place guide
Plan your visit
Separate Port Haven from New York
Port Haven and the island are fictional. Netflix says the real production used locations around New York, with Caumsett and Lloyd Harbor creating the coastal world and Buffalo supplying a limited contrast to Devon's later arrival.
Make Caumsett the visitor anchor
Netflix identifies Caumsett State Historic Park Preserve as the grounds of Cliff House. New York State Parks describes a public peninsula of woodland, meadows, shoreline, gardens, and mapped trails, which makes it the only strong self-guided anchor in the estate story world.
Use a mapped park route
The official trail map marks pedestrian loops, the Main House, Farm Group, Walled Garden, and shoreline features. These are useful navigation landmarks inside the documented production property, but the map does not prove that each feature appears in a particular scene.
Read the Main House precinct honestly
The real Caumsett estate helps explain the scale and visual character of the series. It should not be renamed Cliff House, and an exterior view never implies that an interior is open or that the building supplied the complete screen mansion.
Understand the composite mansion
Netflix confirms that Cliff House interiors were built at Steiner Studios. A primary production-design interview also describes a private coastal house that was expanded and reshaped for the screen, so the finished estate combines real property, construction, and design rather than one tourable address.
Keep Lloyd Harbor low impact
Lloyd Harbor supplied the small arrival town, according to Netflix. It is also a residential village, so a useful guide should describe the production role without sending readers down private lanes or encouraging curbside scene recreation.
Leave the studio off the route
Steiner Studios explains why visitors cannot match the grand interior rooms inside a Long Island mansion. It is a working production campus, not a standing Sirens attraction, and belongs in the filmed-versus-real explanation only.
Plan for current park rules
New York State Parks lists sunrise-to-sunset access, seasonal vehicle fees, and restrictions that include no pets and no drones. Commercial photography requires advance permission, while casual visitors should still follow posted trail, shoreline, and building rules.
Add estate history to the visit
The Caumsett Foundation documents the property's Main House, farm buildings, former recreation structures, and restored Walled Garden. That history gives the visit meaning beyond screen matching and helps distinguish the real estate from its fictional use.
Know when to stop
A responsible Screen Trip ends at the public park boundary. If a route depends on a private house, an unmarked residential street, an invitation-only equestrian facility, or a working studio, leave that location in the ledger and off the itinerary.
Before leaving, check the linked visitor pages and choose an alternative public stop if a closure or access restriction changes the plan.
Evidence in context
Why these locations belong in the plan
Primary platform source for the fictional island, Caumsett grounds, Lloyd Harbor arrival town, Steiner Studios interiors, and limited Buffalo work Netflix Tudum: Sirens series guide.
Current hours, fees, park landscape, visitor rules, photography permits, and facility context New York State Parks: Caumsett visitor page.
Official trail lengths, mapped pedestrian loops, public facilities, estate features, and approximate boundaries New York State Parks: Caumsett trail map.
Estate history and real-property context for the Main House, farm group, shoreline, and former recreational structures Caumsett Foundation: park history.
Current public landscape context and restoration history for the mapped Walled Garden Caumsett Foundation: Walled Garden.
Primary interview with production designer John Paino about the private home, its scale, and production alterations Town and Country: Sirens production design interview.
On location
Places along the route
Continue planning
Use these next before booking or driving
Sources checked
Official and supporting references
Production evidence establishes why a place belongs here. Operator and public-authority sources control what a traveler can safely do now.
Planning questions
Common questions before you go
Where was Netflix's Sirens filmed?
Sirens filmed across New York, with Caumsett State Historic Park Preserve and Lloyd Harbor supplying major Long Island exteriors, Steiner Studios supplying interiors, and limited material shot in Buffalo.
Is Port Haven a real island?
No. Port Haven and the island setting are fictional, even though Long Island locations create their coastal look.
Can you visit Cliff House from Sirens?
There is no complete public Cliff House attraction. Visit Caumsett for the documented grounds, but do not seek the private residence or studio interiors.
How long should a Sirens location visit take?
Allow a half day for a mapped Caumsett loop, with extra time for parking, seasonal fees, and a shoreline detour if conditions allow.
What should visitors check before going to Caumsett?
Check the state park page for current hours, vehicle fees, trail notices, shoreline conditions, photography rules, and any building restrictions.