How many gyms and fitness studios are there within 1 km of Castro?
14 gyms and fitness studios within 1 km of Castro, 4.5 per km². Few direct competitors; check the foot traffic before you read that as demand.
Castro, San Francisco · scanned 13 October 2026 · the 8th most crowded of 10 areas mapped in San Francisco
Within 1 km
14
gyms and fitness studios
Per km²
4.5
low competition
With 10+ reviews
10
enough to judge a rating
Established
2
100 or more reviews
Average rating
4.6★
places with 10+ reviews
Median reviews
46
per gym
Every gym in the circle
Measured within 1 km of the centre: LOW under 5, MODERATE 5–15, HIGH 15–40, INTENSE over 40 places per km².
Rating spread
How the 14 gyms and fitness studios here are rated. Places with fewer than 10 reviews are counted apart.
- 4.5 and up8 (57%)
- 4.0 to 4.42 (14%)
- 3.5 to 3.90 (0%)
- Below 3.50 (0%)
- Under 10 reviews4 (29%)
Top rated
Highest rating among places with at least 50 reviews.
| Name | Rating | Reviews | Distance |
|---|---|---|---|
| Flagship - Castro | 4.9★ | 97 | 820 m |
| The Castro Room | 4.9★ | 75 | 200 m |
| Barry's Castro | 4.7★ | 275 | 320 m |
| CORE MVMT | 4.7★ | 76 | 110 m |
| [solidcore] Castro | 4.5★ | 53 | 600 m |
| FITNESS SF - Castro | 4.1★ | 368 | 190 m |
Most reviewed
The places customers here write about most.
| Name | Rating | Reviews | Distance |
|---|---|---|---|
| FITNESS SF - Castro | 4.1★ | 368 | 190 m |
| Barry's Castro | 4.7★ | 275 | 320 m |
| Flagship - Castro | 4.9★ | 97 | 820 m |
| CORE MVMT | 4.7★ | 76 | 110 m |
| The Castro Room | 4.9★ | 75 | 200 m |
Chains
- MX3 Fitness · 2 outlets
Check competition at your exact address — free
These numbers are for the centre of Castro. Drop a pin on your street instead and see every competitor around it on a map, with ratings and review counts. The scan is free with an account.
Questions
How many gyms and fitness studios are there in Castro?
14 within 1 km of the centre of Castro, San Francisco, counted on 13 October 2026. That is 4.5 per km², which we rate low competition. It is the 8th most crowded of the 10 San Francisco areas we mapped.
Is Castro a good place to open a gym?
LOW competition: 14 gyms and fitness studios within 1 km of Castro, 4.5 per km². Few direct competitors; check the foot traffic before you read that as demand. The numbers here are for the area centre; a free scan shows every competitor on a map around your exact address.
What is the average rating of gyms and fitness studios in Castro?
4.6 out of 5, across the 10 with at least 10 reviews. 8 are rated 4.5 or higher. The typical gym here has 46 reviews.
Which gyms and fitness studios in Castro are rated highest?
Among places with at least 50 reviews: Flagship - Castro (4.9, 97 reviews), The Castro Room (4.9, 75 reviews), Barry's Castro (4.7, 275 reviews).
How was this counted?
We scanned a 1 km circle around the centre of Castro on 13 October 2026 and counted every gym on the map inside it. Places missing from the map or opened since are not counted, so treat the numbers as a floor. Average rating only counts places with 10 or more reviews.