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Getting Around
Mackinac Island is car-free by law — transit options are horse-drawn carriage, bicycle, and walking. Ferries depart Mackinaw City and St. Ignace throughout the day from May through October; Arnold Line, Shepler's, and Star Line all operate, with Star Line's 16-minute crossing from Mackinaw City the fastest. The Mackinac Bridge connects the two peninsulas eight miles west; ferry terminals on both sides sit immediately adjacent to the bridge's approaches.
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Cash or Card
80% Card, 20% Cash. Cards are accepted at the Grand Hotel, the major restaurants, the ferry terminals, and the bicycle rental shops. Keep cash for the smaller fudge shops along Main Street that still operate cash-preferred windows, the island's horse-drawn carriage tours, and the historic Fort Mackinac entry booths. ATM access is limited on the island — withdraw cash at Mackinaw City or St. Ignace before boarding the ferry.
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Good to Know
The Grand Hotel charges non-guests a $10 grounds fee to access the front porch and enforces its 6 PM dress code — jackets for men, dresses or slacks for women — with genuine consistency. The entire island economy operates May through October; most hotels and restaurants close after Columbus Day and reopen Memorial Day weekend. The Port Huron-to-Mackinac Race in late July doubles the island population overnight; book accommodation one year in advance for race week.
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ATMs
There is one ATM on Mackinac Island — at Doud's Market on Main Street — and it runs dry on busy summer weekends. Withdraw adequate cash at Mackinaw City or St. Ignace before boarding the ferry. The Grand Hotel, Hotel Iroquois, and Mission Point accept cards at all service points, but smaller fudge shops, carriage tour operators, and bicycle rental shops maintain strong cash preferences.
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Currency
The US Dollar is the currency. Mackinac Island prices at a significant premium for a seasonal resort — a night at the Grand Hotel runs $300–$900 including breakfast and dinner, a room at Hotel Iroquois or Mission Point runs $180–$500, and a horse-drawn carriage tour costs $30–$80 per person. The fudge shops average $14–$18 per pound. Ferry tickets are $30–$35 round-trip per adult from either dock.
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Plugs
Type A and B (120V, 60Hz) — standard North American outlets throughout. No adapters needed for US devices. European visitors need a Type C or G adapter. The Grand Hotel's historic rooms have limited outlet access due to the age of the original electrical infrastructure; request a room in the newer wings if charging multiple devices is a priority. The smaller Victorian inns on Main Street uniformly have limited outlet placement.
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Safety
Mackinac Island is one of the lowest-crime destinations in American tourism. Primary hazards are bicycle-related: the perimeter road has no separation between cyclists and carriage traffic, and several interior trail sections require walking the bike. Lake Huron stays 55–65°F in summer — not suitable for extended swimming. Check ferry schedules before departing if a storm is moving through the Straits; crossings are occasionally suspended in high wind.
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Airports
Pellston Regional Airport (PLN) is 15 miles south of Mackinaw City and receives seasonal service from Detroit via Delta Connection — the most direct gateway with immediate ferry access. Chippewa County International Airport (CIU) in Sault Ste. Marie is 50 miles east with limited scheduled service. Most visitors fly into Detroit Metropolitan (DTW) or Chicago O'Hare (ORD) and drive the 4.5–5 hours north on I-75 to the ferry terminals at Mackinaw City.