# The Underline

A 10-mile linear park and urban trail beneath Miami's elevated Metrorail. Phase 3 completes in 2026, finally connecting downtown to Dadeland. It transforms the shaded under-chassis of the train line into a multimodal community space with exercise zones and vibrant native gardens.

## Key Facts
- **Type**: sight
- **Address**: SW 1st Ave & SW 8th St, Miami, FL 33130
- **Website**: https://www.theunderline.org/
- **Hours**: 24/7 (Public Park)
- **Entry**: Free.
- **Price tier**: free

## Family Amenities
- Elevated Metrorail Canopy
- Butterfly Gardens
- Outdoor Gyms
- Basketball/Soccer Fields
- Dog Parks
- Dadeland South Connection

## Insider Tips
The shaded path is a life-saver in the Miami sun. 2026 is the big reveal for the final Phase 3 segments. The 'Oolite Room' near Brickell is a favorite for its limestone geometry and butterfly activity.


## Sources
- [The Underline - Phase 3 Updates](https://www.theunderline.org/progress-report/)

---
Source: Outline Travel. Last verified: 2026-04-07.
Permanent URL: https://outline.travel/destinations/global-gems/the-underline-miami/