Mexico City
Most of the shortlisted hotels sit in Mexico City, and several are within a few minutes of the fountain. The St. Regis Mexico City is 60 metres away, roughly a 1-minute walk, which makes it the closest base for the landmark. Laila Hotel Cdmx and Marquis Reforma Hotel Spa are both about a 3-minute walk, and Marquis Sky Suites sits at the same easy distance. Staying here puts the fountain, the surrounding avenues and the wider Cuauhtemoc district within a short stroll, so you can treat the landmark as the anchor of your day rather than a separate trip.
Cuauhtemoc
Reforma Guest House is the listed hotel in Cuauhtemoc, 400 metres from Diana the Huntress Fountain, about a 6-minute walk. For travellers who want the fountain as a fixed point on their route, this is a straightforward place to stay: you are close enough to pass the landmark on foot and still be based in the district itself. The rest of the shortlist spreads across Mexico City, so comparing the Cuauhtemoc option with the hotels a few minutes further out is mostly a question of which side of the fountain you would rather wake up on.