You absolutely cannot beat this Latin Quarter location. Just blocks from Place St. Michel, several metro lines (including RER B for easy airport access,) Notre Dame, the Seine. Absolutely stunning. My husband and I stayed here for our last night in Paris for easy RER access, and it worked out perfectly. Despite the very central and lively location, the apartment is on a very quiet, residential street.
The apartment itself is small with basic amenities. The bed is extremely comfortable. Melissa provided a ton of great recommendations for shopping and dining in advance, which we really appreciated!