2021 Florianópolis Challenger – Doubles

This was the first edition of the tournament.

Nicolás Barrientos and Alejandro Gómez won the title after defeating Martín Cuevas and Rafael Matos 6–3, 6–3 in the final.

Seeds
• # 🇻🇪 Luis David Martínez / 🇧🇷 Fernando Romboli (first round)

• # Martín Cuevas / 🇧🇷 Rafael Matos (final)

• # 🇺🇸 James Cerretani / Luca Margaroli (first round)

• # 🇨🇴 Nicolás Barrientos / 🇨🇴 Alejandro Gómez (champions)