Porto Heli, also Porto Cheli, is a summer resort town in the municipality of Ermionida in the southeastern part of Argolis, Greece. It is situated on a bay of the Argolic Gulf, 6 km south of Kranidi and 40 km southeast of Nafplio. The island of Spetses is located 6 km south of Porto Heli. There are ferry connections from Porto Heli to the islands of Spetses, Hydra and Poros, and to Ermioni and Piraeus. There is a small private airport, Porto Cheli Airport, south of the town.

The luxury resort Amanzoe, an Aman Resorts property, is a few miles outside of Porto Cheli.

The ancient city of Halieis (named Halike by Pausanias, excavated by Michael H. Jameson, is situated near Porto Heli.

The former King Constantine II of Greece lives with his wife the Queen Anne-Marie of Greece in Porto Cheli.

The yacht marina within the bay has become a popular wintering port for pleasure vessels.