Mangrove Ring
Movie| Title | Mangrove Ring |
| User score | 6 |
| Release date | Jun 1, 1971 |
| Genre | Documentary |
| Director | Nancy Holt |
| Production country | US |
| Run time | 3 min. |
Mangrove Ring features a sculpture Smithson created in the ocean using mangrove seedlings while traveling in Florida. Off the coast of Summerland Key Smithson planted a ring of mangroves with the intent to grow an island over a three-year period.
