Nantes is built for going it alone: a centre you cross on foot in twenty minutes, trams running past midnight, and a counter-dining culture where one seat is normal. These three days pair riverside solitude with markets, shared tables and rooftop bars.
The 1909 LU tower is now a free-entry arts centre whose café-bar opens from 08:30 on weekdays. Coffee runs €2, stacked newspapers sit on the bar, and nobody registers a solo table. Bookshop and hammam in the same building.
This 1895 brasserie keeps a zinc counter where solo diners eat oysters, herring or steak tartare with no two-person minimum. Lunch formule €23-29, open 11:30-00:00 daily. The tiled Belle Époque ceilings are worth the seat alone.
Seven hectares of magnolias, ponds and glasshouses next to the station, open 08:30-20:00 in summer and free year-round. Claude Ponti's oversized wooden sculptures — a sleeping chick, a bench-tree — are scattered along the paths.
A bar built as a giant white heron by Jean Jullien, 100m up, with the bird's body forming the counter and its neck stretching across the room. The lift is free; drinks €4-8. Views run from the Loire to the Erdre valley.
Nantes' main covered market, Tuesday to Sunday 08:00-13:00, spilling into the surrounding streets. Oyster sellers, Breton butter, andouille and cheese stalls where vendors hand out tastings and expect you to talk back.
Long shared wooden tables under a vine canopy, running June to September on the western quay. You sit wherever there's space, so conversation is unavoidable. Plates around €14-18. Out of season, the neighbouring quay bars fill the gap.
Pick up a Bicloo city bike (day pass about €1.50, first 30 minutes of each hop free) and follow the Erdre towpath north to a small island laid out as a Japanese garden with waterfalls, bamboo and a teahouse.
A bar furnished as somebody's home — a kitchen room, a bedroom, a bathtub you can drink in. Beers from about €3.50, students and thirty-somethings packed close enough that a solo stool turns into a shared table fast.
The TAN river shuttle leaves the Gare Maritime roughly every 20 minutes for a ten-minute crossing on a standard €1.80 ticket. Trentemoult is a former fishing village of pink, ochre and turquoise houses and alleys barely wide enough for two.
A village restaurant on Trentemoult's waterfront with a terrace facing the Loire and the city skyline behind it. Fish of the day lands around €19-24; solo tables get seated readily outside the Sunday rush.
Ingres, Georges de La Tour, Kandinsky and a strong contemporary wing in a white-stone building with a light-filled 2017 cube extension. Entry around €8, open 11:00-19:00 and closed Tuesdays. Quiet enough to spend an hour on one room.
Tadashi Kawamata's timber walkway juts off the wooded cliff above the Loire, reached by a steep staircase from the Sainte-Anne heights. Free, rarely busy, and angled straight at the sunset over the river bend.