The Roundhouse Museum contains memorabilia and items historically significant to Egg Harbor City. Permanent displays include Liberty Glass, C.P. Leek & Sons boats, clothing and wine industries and Dr. Smith's Health Spa. Rotating displays have included local connections to the Civil War, County Fairs, rail-roads, "Grandma's Kitchen", "Grandpop's Tools", fire and police departments and the U.S. Postal Service. The museum also holds city census records, old city tax records dating to 1862, and the beginning of local genealogies available for study.

To visit the museum by entering Egg Harbor City on the White Horse Pike (US-30), proceed to Philadelphia Ave. and go north four (4) blocks to Campe Street. Turn left onto Campe and go 2 blocks to the baseball fields on London Ave. Turn right and proceed to the museum on the left beyond the fields.