Yes, travel insurance for Mazatlan is worth having, and the honest reasons sit in two places: the weather calendar on Mexico's Pacific coast, and what happens if you need care beyond what this resort city's own hospitals can offer. Mazatlan is a genuine beach destination in the state of Sinaloa, with a real tourism infrastructure, and most trips here are straightforward - but the risks worth insuring against are specific rather than generic.
Eastern Pacific hurricane season runs roughly from late May through November, and Mazatlan sits directly in the path of storms that can bring heavy rain, flooding, and flight disruption at Mazatlan International Airport during those months; trip-cancellation and delay cover is genuinely useful if your dates fall within that window rather than the drier winter and spring months most visitors prefer. This is a real, checkable seasonal pattern, not a vague warning.
On care access, Mazatlan has private hospitals that handle a good share of routine and moderate injuries competently, which is why many visitors default to private clinics rather than public facilities; but for genuinely serious cases, patients are sometimes moved onward to larger private hospital networks in Guadalajara or Mexico City where more specialized care is concentrated. A policy that covers private treatment directly, rather than reimbursing later, matters more here than the destination's resort image might suggest.
One more honest note worth weaving in: Sinaloa state has areas where government travel advisories carry specific regional guidance beyond the general Mexico advisory, so checking current advice for Sinaloa specifically, not just Mexico as a country, is a sensible step before finalizing plans, particularly if travel outside the main tourist zone is part of the itinerary. Keep clinic receipts and any documentation of storm-related delays for claims, and check whether your existing health cover extends abroad and to Mexico specifically before assuming it applies.