Linked visits are alternatives or continuations, not a claim that all are adjacent.
What to look for on site
Saint-Germain names an area, rather than one address. Combine the church, a street with bookshops and lanes towards the Seine to see more than the most prominent terraces.
How can I put together a morning in Saint-Germain-des-Prés?
Make the walk your main activity; choose a café after comparing displayed prices and available tables. This page describes a neighbourhood atmosphere, rather than a recommended restaurant or a reservable table.
Are the duration and budget guaranteed?
The suggested duration of 2 h is planning guidance, excluding travel and unpredictable waiting. Budget categories are editorial indications, not ticket prices. Free entry can have exceptions for exhibitions and activities; confirm the exact visit with the provider.
Sources may use French. Confirm opening hours, ticket inclusions, reservations and temporary restrictions for your exact date. For accessibility, check the entire journey from transport to entrance and facilities with the provider.