Portland, ME to Block Island, RI: A Coastal Road Trip Guide

The drive from Portland, Maine to Block Island, Rhode Island is a 250-mile journey along the New England coast, rich in maritime history and scenic beauty. One notable detail: the route crosses the Piscataqua River Bridge, the only high-level bridge in Maine, connecting Kittery to Portsmouth, New Hampshire. This trip blends classic New England towns, rocky shorelines, and a ferry ride to Block Island, where you'll find uncrowded beaches and dramatic bluffs. For tips on finding hidden gems along the way, see how to find the best stops and hidden gems between cities.

For families, consider stops with restrooms and play areas: the Portsmouth Rest Area on I-95 (mile marker 7) has facilities and a dog park. The Mystic Aquarium is a great family stop with a hands-on touch tank. Children will enjoy the carousel at Watch Hill, RI. For pets, most beaches require permits or are off-limits in summer, but Block Island allows dogs on some beaches with leashes. Many hotels along the route are pet-friendly, like the Holiday Inn Express in Warwick, RI.

• Rest Zones: I-95 rest areas every 30 miles; the one in West Greenwich, RI has picnic tables
• Fatigue Tip: Alternate drivers or break up the drive with a 2-hour hike at the Weir Hill Reservation in Andover, MA
• Safety: In fall, watch for leaf peepers; in winter, check snow conditions on I-95 through Massachusetts

Hidden off-route spots include the following: Warren, RI, for its antique shops and walking bridge over Narragansett Bay; and Fishermen's Memorial State Park in Narragansett, a quiet beach with a historic military fort. Culinary infrastructure ranges from lobster rolls at Bite Into Maine (Cape Elizabeth) to clam cakes at Iggy's Doughnuts & Chowder House in Warwick. For a unique experience, take a detour to Pawtucket, RI, for the Pawtucket Red Sox minor league baseball game.

Portland's Old Port district offers cobblestone streets and waterfront views. Continue to Cape Elizabeth, home of Portland Head Light, a historic lighthouse. In Portsmouth, walk the Market Square and Prescott Park for flower gardens. The New Hampshire coastline is short but includes sandy beaches like Hampton Beach. As you cross into Massachusetts, the landscape changes to low salt marshes and fishing villages. Stop in Newburyport for boutique shops and the harbor walk. Further south, the Essex River Basin Aquarium is a hidden gem for kids.

• Must-see: The Nubble Lighthouse in York, Maine (slightly inland, worth the detour)
• Stop: Mystic Seaport Museum, Connecticut, for maritime history
• Natural wonder: Narragansett Bay, with its many coves and islands

Rhode Island's Route 1A offers ocean views with access to beaches like Scarborough State Beach. Point Judith has a classic New England fishing village atmosphere. Once on Block Island, Mohegan Bluffs (clay cliffs) and the historic Southeast Light offer breathtaking views. The island has no chain stores; local commerce includes boutique shops, farm stands, and seafood restaurants. Many businesses are seasonal, so call ahead offseason.

The primary route is I-95 South, but for a more scenic drive, consider US-1 or Route 1A along the coast. The ferry from Point Judith to Block Island accepts vehicles with reservations (summer only). Estimated total driving time from Portland to the ferry terminal is about 3.5 hours, plus the 30-minute ferry ride. Best stops Portland, ME to Block Island, RI include Portsmouth, Newport, and Mystic. If you're wondering how long to drive Portland, ME to Block Island, RI, plan for a full day with stops.

• Fuel Cost: ~$40 (gas at $3.50/gal, 30 mpg)
• Tolls: Only on I-95 in New Hampshire (approx $2) and Massachusetts (approx $1.50)
• Parking at Point Judith: $15/day

The ferry cost for a car and driver is about $60 one way. Is it worth driving Portland, ME to Block Island, RI? Absolutely, for the flexibility to explore coastal towns. The route's road quality is excellent, with well-maintained highways and secondary roads. Watch for traffic near Boston, particularly between 7-9 AM and 4-7 PM. Things to do between Portland, ME and Block Island, RI include visiting lighthouses, lobster shacks, and historic mansions.