Savannah to St. Simons Island Road Trip Guide

The drive from Savannah, GA to St. Simons Island, GA covers approximately 85 miles along US-17 and I-95, taking about 1.5 hours without stops. A little-known fact: the route crosses the Altamaha River, one of the most biodiverse rivers in North America, home to over 100 species of fish and rare mussels. This road trip offers a blend of coastal marshes, historic towns, and wildlife refuges.

Travelers often ask: is it worth driving Savannah, GA to St. Simons Island, GA? Absolutely. The journey itself is a highlight, with multiple natural and cultural attractions along the way. For those wondering how long to drive Savannah, GA to St. Simons Island, the answer is about 1.5 hours, but plan for 3-4 hours with stops. To make the most of your trip, use how to find the best stops and hidden gems between cities.

The primary route is US-17 South, also known as the Coastal Highway, which runs parallel to I-95. US-17 offers more scenic views and access to small towns, while I-95 is faster but less interesting. Gas stations are plentiful in Savannah and Brunswick, but sparse in between—fill up before leaving Savannah. Expect fuel prices around $3.20/gallon on average.

• Highways: US-17 (scenic), I-95 (fast)
• Estimated fuel cost: $12-$15 for the round trip
• Rest areas: one at mile marker 42 on I-95 South
• Tolls: none

Road quality is excellent on both highways, with well-maintained asphalt and clear signage. US-17 has some two-lane segments through marshes but is generally smooth. I-95 is a six-lane divided highway. Cell coverage is strong except in a few remote marsh stretches.

The drive showcases the Georgia coast's distinct ecosystems: salt marshes, tidal creeks, and maritime forests. The Altamaha River delta, visible from US-17 just south of Darien, is a must-see. Birdwatchers will spot herons, egrets, and occasionally bald eagles. The area is part of the US's largest river swamp system.

Natural attractions include:

• Harris Neck National Wildlife Refuge (off US-17 near Townsend): 2,824 acres of freshwater marshes, trails, and a historic WWII airfield.
• Wolf Island National Wildlife Refuge (accessible by boat from Darien): pristine barrier island with nesting sea turtles.
• Altamaha River Water Trail: perfect for kayaking and canoeing.

Local commerce thrives in Darien, a shrimping town with working docks and seafood markets. Stop at the Darien Waterfront for fresh shrimp and grits. McIntosh County also produces local honey and pecans. For souvenirs, check out the Darien Antique Mall.

UNESCO World Heritage Sites: While none directly on the route, Savannah's Historic District (a UNESCO World Heritage Site) is the starting point. Consider beginning your trip with a walk along River Street.

Safety is excellent on this route. US-17 and I-95 have low crime rates and good visibility. Watch for deer at dusk, especially near marsh edges. The speed limit is 55-65 mph on US-17 and 70 mph on I-95. All rest areas have restrooms and vending machines.

Family-friendly stops include:

• Georgia Veterans State Park (exit 42 on I-95): playground, lake, and museum with military aircraft.
• Hofwyl-Broadfield Plantation Historic Site (on US-17): a historic rice plantation with trails and a visitor center.
• St. Simons Island Pier: family-oriented village with dining and a public beach.

Pet-friendly framework: Most state parks and wildlife refuges allow leashed pets. Harris Neck Refuge permits dogs on designated trails. Many restaurants in Darien and St. Simons have pet-friendly patios. Bring water and waste bags, as services are limited between towns.

Fatigue management: Plan a rest stop every 45 minutes. The best rest areas are near Darien (Shell gas station with clean restrooms) and at the visitor center on I-95. Avoid driving between 2-4 PM when drowsiness peaks. The hidden gems tool can help identify off-route parks for a nap.

Hidden off-route spots: Pine Island Road (off US-17 near Darien) leads to a secluded beach on the Sapelo Island ferry dock. Blythe Island Regional Park (exit 42) has quiet hiking trails and camping. Hog Hammock community on Sapelo Island requires a ferry but offers untouched Gullah-Geechee culture.

Climatic conditions: Average temperatures along the route range from 50°F in January to 90°F in July. Rain is common in afternoons from June to September. Best times to drive are spring (March-May) and fall (October-November) for mild weather and fewer insects.