Arrive at the Mont-Saint-Michel visitor parking area on the mainland and follow signs for the free shuttle bus to the island. In August, allow 20–30 minutes from parking to the entrance, including the ride and the walk from the stop; buses run frequently, but queues build toward sunset. The causeway views are best from the shuttle’s approach, while the pedestrian route takes roughly 35 minutes if you prefer to walk. Parking is paid and typically costs around €15–€25 depending on your length of stay, so keep your ticket handy.
Head uphill first to Mont-Saint-Michel Abbey, ideally with a timed ticket reserved in advance through the official monument website. Allow 1½–2 hours for the Romanesque and Gothic rooms, terraces, and cloister; in summer, admission is generally around €13 per adult, with hours often extending into the early evening, though the final entry time varies by date. Afterward, descend slowly along Grande Rue, pausing for the ramparts and small lanes branching away from the busiest stretch. The village is compact but steep, with uneven stone paving—comfortable shoes matter more than stylish ones here.
For dinner, settle at La Mère Poulard on Grande Rue, the island’s iconic address for its dramatically whisked soufflé omelette and traditional Norman dishes. Expect roughly €35–€70 per person; reserve ahead if possible, especially for an August evening, and ask for a table away from the main passage if you want a calmer meal. After dinner, walk toward the western ramparts and take in Mont-Saint-Michel Bay as the light softens and the tide changes the landscape. Check the tide table before setting out—currents are powerful, and walking across the bay without a qualified guide is not safe. Return to the mainland on the shuttle, allowing extra time for the evening queue; services usually continue into the night, but confirm the last departure posted at the stop.