Entry No. 8 — the Miami file — filed under: observatory
Sadowski Viewing — Southern Cross Astronomical Society Observatory
Every clear Saturday since 1986, amateur astronomers wheel out an 18-inch Dobsonian — the largest public telescope in Miami-Dade — onto a concrete observation deck behind a suburban nature park, no ticket or reservation required.
The story
Half a mile west of Old Cutler Road in suburban Palmetto Bay sits Bill Sadowski Park, a quiet county nature center that looks unassuming by day. But every clear Saturday night since 1986, members of the Southern Cross Astronomical Society—Florida's oldest amateur astronomy organization—take over the concrete observation deck behind the park for a free, unsanctioned-feeling community star party.
The crown jewel of the deck is an 18-inch Dobsonian reflector, which holds the title of the largest public telescope in Miami-Dade County. Despite South Florida’s relentless light pollution, this quiet patch of South Dade sits far enough from the neon glow of downtown to give the massive mirror enough dark sky to pull faint deep-sky targets, star clusters, and planetary details into sharp view.
What makes the setup work is the complete lack of pretension. There are no velvet ropes or ticketing kiosks. SCAS members wheel out their own personal, highly customized optical rigs alongside the big Dobsonian, happily spending hours walking complete strangers through pointing at Saturn’s rings or resolving the gas clouds of the Orion Nebula.
What it's like
Drive down to SW 176th Street on a clear Saturday around dusk. Parking inside the county park is free. Follow the path past the nature center out to the observation deck at the back. The vibe is low-key and quiet: families on blankets, gear-heads adjusting counterweights in red flashlight beams, and a small line forming behind the 18-inch Dobsonian. Bring bug spray—mosquitoes are active near the hammocks—and confirm the sky is actually clear before driving out, as rain or heavy cloud cover cancels the viewing. Things wrap up around 10 p.m.
The move: Show up at dusk with a blanket, split time between the big Dobsonian and the members' smaller scopes trained on Saturn's rings or the Orion Nebula, and stay till they close up around 10pm.
- 📍 Palmetto Bay
- 💸 $
- ⚡ Low-key
- 🌗 Outdoors
Where: 17555 SW 79th Avenue, Palmetto Bay, FL 33157 (Bill Sadowski Park & Nature Center)
Hours: Added 2026-07-19 — confirm current hours before you go.
⚠ Seasonal or scheduled — always check before you go.
Pair it with
- Deering Estate After Dark — Ghost Tours, Night Hikes & Moonlight Kayaking — Double up on South Dade night excursions by catching a seasonal evening hike or ghost tour at Deering Estate before heading to the observatory deck.
- Deering Estate — Tequesta Burial Mound & Cutler Fossil Site — Explore the ancient land-based archaeology at Deering Estate just down Old Cutler Road before turning your eyes to the sky at Sadowski Park.
- Wild Night: Night Tour — Zoo Miami — Pair an after-hours guided stroll through Zoo Miami's nocturnal habitats with a late-night look at the planets.
- Gold Coast Railroad Museum — Spend the afternoon exploring historic locomotives at the old airfield grounds before driving east to Palmetto Bay for night sky viewing.
Good to know
Is there an entry fee or reservation needed?
No. The event is completely free, open to the public, and operates on a drop-in basis without reservations.
When do viewings happen?
Every clear Saturday night, starting roughly around dusk and running until about 10:00 p.m.
What kind of equipment will I see?
The main attraction is the society's 18-inch Dobsonian reflector—the largest public scope in the county—complemented by member-owned refractor and reflector telescopes set up around the deck.
What happens if it rains or is overcast?
The telescopes are sensitive, heavy optical equipment, so viewing is strictly weather-permitting. If it's raining or heavily overcast, the event will not take place.
Plan a visit & invite your people →
Further reading: scas.org · miamidade.gov
last checked: 2026-07-19