| Main Name: | Portugal Open Estoril Open |
| Score: | 6–4, 7–5 |
| Before Name: | Estoril Open |
| After Name: | Estoril Open |
See main article: 2000 Estoril Open.
Tomás Carbonell and Donald Johnson were the defending champions, but did not participate together this year. Carbonell partnered Juan Balcells, losing in the first round. Johnson partnered Piet Norval and successfully defended his title.
Johnson and Norval won in the final 6–4, 7–5, against David Adams and Joshua Eagle.