HomeCaliforniaLong Beach › Jack Dunster Marine Biological Reserve

Jack Dunster Marine Biological Reserve

4.6 ★★★★★ 59 Google reviews · Running trail in Long Beach, California · Open 24 hours

Runner's snapshot

Surface
Natural surface
Distance
Not reported
Shape
Not reported
Shade
Not reported
Access
Open 24 hours

Confirmed from Jack Dunster Marine Biological Reserve's own listing, the park or land manager's website, and runner reviews. Blank cells mean we could not verify that fact — we would rather say "not reported" than invent one. There is no Easy / Moderate / Hard rating on this page on purpose: a one-word difficulty score tells you nothing about whether a trail suits your run. Surface, distance, shade and hours do.

Natural surfaceOpen 24hLit at nightScenicDog-friendlyTrailhead parkingQuiet

What runners say about Jack Dunster Marine Biological Reserve

Pulled from public reviews of this trail (59 of them) — the things people bring up again and again, in their own words. Nothing here is written by us.

well-maintained 7 mentions

“On the water (Marine Stadium, Marina, waterfront housing) Nice trail (decomposed granite), native plants, well-maintained, dogs (on leash) okay.”

🏞️ beautiful scenery 7 mentions

“Peaceful place for a light walk through nature and beautiful boats.”

🌾 quiet & peaceful 6 mentions

“There was plenty of of parking nearby and I would probably go back to kayak from the parking lot since it was not crowded on a hot Saturday afternoon.”

Nice short 30 minute walk with marina views. I walked around to Mother's Beach. Plenty of free parking. Plenty of restrooms throughout the marina. Pretty clean and maintained. Felt safe.

★★★★☆ — Haydee , May 2021

Incredible semi-foggy morning stroll along seaside paths during high-tide. Nature abounds in this small easily accessible space complete with comfortable benches to relax on. Always a simple peaceful place to quietly get away and enjoy the waterfront...

★★★★☆ — Randy , Oct 2018

Nice place to walk, only issue is trying to enter, you must go all the way down marine stadium and go through a little entrance on the side of the rowing center. It is a nice short walk and is well maintained. Great place to walk your dogs.

★★★★☆ — Sd200 , Aug 2018

Peaceful place for a light walk through nature and beautiful boats. Loved all the different plants and we saw so many little lizards. Great for a family afternoon walk.

★★★★★ — Francheska , Jul 2020

Excerpts from public Google reviews. Read all 59 reviews →

Trail conditions & character

What this trail is actually like underfoot and overhead, taken from its own listing and from reviews. Each one links to every other trail with the same character. Busy or quiet is reported as a plain fact, not a plus or a minus — a runner heading out alone at dawn often wants company on the path, and someone running intervals wants an empty one.

🏞️ Scenic views 11 mentions

“Peaceful place for a light walk through nature and beautiful boats.”

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🤫 Quiet / uncrowded 6 mentions

“There was plenty of of parking nearby and I would probably go back to kayak from the parking lot since it was not crowded on a hot Saturday afternoon.”

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🅿️ Trailhead parking 4 mentions

“There was plenty of of parking nearby and I would probably go back to kayak from the parking lot since it was not crowded on a hot Saturday afternoon.”

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🐕 Dog-friendly 3 mentions

“On the water (Marine Stadium, Marina, waterfront housing) Nice trail (decomposed granite), native plants, well-maintained, dogs (on leash) okay.”

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💡 Lit for night running 2 mentions

“Peaceful place for a light walk through nature and beautiful boats.”

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🌲 Natural surface / singletrack

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Plan your run at Jack Dunster Marine Biological Reserve

The practical stuff

  • AccessOpen 24 hours — no gate to beat, so a 5am or a 10pm run both work
  • SurfaceNatural surface — easiest on the joints and the most fun, but expect roots, rocks and mud after rain
  • DistanceNot reported. Trail systems often quote total path mileage rather than a single loop, so measure the route you actually want before you drive out.
  • ShadeNot reported. Assume some of it is exposed and carry water in summer.
  • LightingRunners report lights on the path — useful for pre-dawn and after-work miles. Lighting and opening hours are separate things, so check both.
  • At the trailheadparking — reported by runners
  • DogsWelcome, per reviewers. Leash rules vary by park — the trailhead sign is the authority.
  • Websitelongbeach.gov
  • Phone+1 562-570-3100
  • Social Instagram · Facebook

Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours

Posted hours for the park or trailhead. Gates and parking lots often close earlier than the trail itself, and seasonal hours change — worth a check before a pre-dawn or after-dark run.

Where to find Jack Dunster Marine Biological Reserve

5801 Boathouse Ln, Long Beach, CA 90803

Get directions

Running trails near Long Beach

Other trails within easy driving distance — useful when this one is flooded, gated, or just not the run you had in mind today.

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LoopShadedScenicDog-friendly

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Gum Grove Nature Park

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Hellman Ranch Trailhead

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Nearby towns

Listing verified July 2026 from public records, the trail's own website and runner reviews. Trail conditions change — paths flood, gates close at dusk, and shaded woods stay muddy for days after rain. Something out of date? Report a correction. Manage this trail? Send us the details — it is free.