| | Fernandina Beach, FL | Silver Springs Shores, FL | United States |
| Percent Religious | 48.2% | 35.4% | 49.4% |
| Baptist | 23.1% | 6.6% | 8.2% |
| Episcopalian | 1.1% | 0.4% | 0.6% |
| Catholic | 7.3% | 9.8% | 19.7% |
| Church of Jesus Christ | 1.2% | 0.7% | 2.1% |
| Lutheran | 0.4% | 1.1% | 2.4% |
| Pentecostal | 3.1% | 2.4% | 1.9% |
| Methodist | 4.0% | 3.6% | 4.0% |
| Presbyterian | 1.7% | 1.2% | 1.7% |
| Other Christian | 6.2% | 8.9% | 6.7% |
| Judaism | 0.0% | 0.1% | 0.7% |
| Eastern | 0.0% | 0.1% | 0.5% |
| Islam | 0.0% | 0.4% | 0.9% |