Insurance for Interlaken
Interlaken is a tiny, all-residential borough wrapped in the arms of Deal Lake, and about a fifth of it is in the 1% floodplain. Homes, flood and cars are what we insure here.
To speak with an insurance advisor now, callCall an insurance advisor at (732) 905-4100Monday–Friday, 9 a.m.–5 p.m.
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Short answers
Who insures homes in Interlaken, NJ?
Stonebrook Insurance is an independent agency that insures Interlaken homes, flood, cars and businesses.
Does Interlaken flood?
Homes near Deal Lake can. About 22% of the borough is in the 1% floodplain.
Is Interlaken all residential?
Yes. There are no businesses in the borough.
Does homeowners cover flood?
No.
A borough between two lakes.
Interlaken was incorporated in 1922 on what had been Dr. Francis Weld’s farm, and like the Swiss town it’s named for, it sits between two bodies of water: the arms of Deal Lake.
It’s all residential: about 830 people in 0.39 square miles of older homes on quiet streets, with no stores and no liquor licenses. Its children attend Shore Regional High School.
Deal Lake covers about 158 acres and touches seven towns. The county plan lists 12 flood policies and 18 paid losses in Interlaken, with Grassmere Avenue flooding in heavy rain and a September 2024 storm on the record, and plans for Deal Lake dredging and a shared bulkhead with Loch Arbour and Asbury Park.

Everything you insure in Interlaken.
The local facts that shape your coverage.
From Census data and the 2026 Monmouth County plan.
| Fact | Interlaken | Why it matters |
|---|---|---|
| Population | 828 (2020) | A tiny borough. |
| Area | 0.39 square miles | Surrounded by Deal Lake. |
| Land in the 1% floodplain | About 22.1% | Lakeside homes. |
| NFIP losses | 18, about $186,700 | Flood claims happen. |
| Repetitive loss properties | 2 | Some homes flood more than once. |
| Business | None; all residential | Home and auto only. |
An independent agency for Interlaken.
Because we’re independent, we compare more than 25 carriers and put your home, cars and umbrella together.
Send us your declarations pages and we’ll show you what we’d change.
Insuring in Interlaken?
We’ll compare carriers and quote home, flood and cars together.
What our clients say.
Five-star reviews from Stonebrook clients on Google.
“I cannot recommend Nate & the whole Stonebrook Group enough. Their communication is top-notch—always quick to reply and proactive about finding better rates. It's rare to find this level of professionalism and personal attention these days. They handled everything from start to finish, saving me both time and money.”
“Sam and the entire Stonebrook team have been incredible to work with. Insurance can be stressful, but they make the process feel easy and personal. … They consistently shop the market and make sure I'm getting the best coverage at the best possible price, not just a quick quote.”
“great team of workers in office! rachel was efficent, helpful, & most important very knowledgeable. wouldn't hesitate to refer to family & friends.”
More for Interlaken homeowners.
What Interlaken homeowners ask us.
What insurance agency serves Interlaken, NJ?
Stonebrook Insurance Group, an independent agency founded in 1982.
Where does Interlaken get its name?
From Interlaken, Switzerland, a town between two lakes.
How do I get a quote?
Call (732) 905-4100, email info@stonebrookins.com, or use the form on this page.
Neighbors: Allenhurst, Asbury Park, Deal, Ocean Township, Loch Arbour.
Sources for this page
- Wikipedia: Interlaken, New Jersey
- Monmouth County Hazard Mitigation Plan 2026: Interlaken Borough annex
Figures come from the sources listed and are dated where the source gives a date. Coverage descriptions are general; your policy wording controls.
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