120 5th Ave, Brooklyn, NY, 11217-3226
Prices from the gym's own website, as of August 26, 2026 · How we collect data →
Planet Fitness - Park Slope is a gym in Park Slope, at 120 5th Ave. Memberships run $24–$38/mo all-in across 2 plans. The advertised rate starts at $19/mo, but signup and annual fees bring the real cost to $24/mo.
| Plan | Dues | All-in monthly | Enrollment fee | Annual fee | Commitment |
|---|---|---|---|---|---|
| Classic | $19/mo | $24/mo | $1 | $59 | Month-to-month |
| Black Card | $37.99/mo | $38/mo | $1 | $0 | Month-to-month |
All-in monthly = 12 months of dues plus enrollment, admin, and annual fees, divided by 12.
First-year math for the Classic plan: 12 × $19 dues ($228) + $1 enrollment fee + $59 annual fee = $288 in year one — $24/mo all-in. The minimum you can spend and walk away is $79.
On top of dues, Planet Fitness - Park Slope charges a $1 enrollment fee, plus a $59 annual fee billed once a year — some plans waive part of this. These fees are what separate the advertised rate from the all-in figure above.
All Planet Fitness - Park Slope memberships are month-to-month — no long-term contract.
Across 5 priced gyms in Park Slope, all-in monthly costs run $24–$359 (median $127). Planet Fitness - Park Slope's cheapest membership is 81% below the median. Citywide, the median across 1693 priced NYC gyms is $259/mo all-in — Planet Fitness - Park Slope comes in $235 under it.
More Planet Fitness locations: 49 locations in NYC, $20–$31/mo all-in. See all Planet Fitness in NYC →
The nearest other Planet Fitness is Planet Fitness - Boerum Place (0.9 mi away, from $31/mo all-in).
Nearby: Other gyms in Brooklyn →