Eulonia is an unincorporated community and census-designated place (CDP) in McIntosh County in the U.S. state of Georgia.

The historic community of Eulonia is 0.6 miles (1.0 km) north of the crossroads.

I-95, which forms the western edge of the Eulonia CDP, leads north 52 miles (84 km) to Savannah and south 28 miles (45 km) to Brunswick.

[1] The tidal Sapelo River forms the northern edge of the CDP and runs out to the Atlantic Ocean 15 miles (24 km) to the east at Sapelo Sound.

Eulonia was first listed as a census designated place in the 2020 U.S.