Badly, unless you own a car, in which case it is fine. Half the working population drives. More than a quarter never leaves the house to work at all. Almost nobody catches a train. The town has no station of its own and the bus network is a country service wearing a town's clothes.
Rail is the clearest gap. Marazion has no station, and the nearest options are Penzance, St Erth and Lelant Saltings, all of which require getting to them first. About 0.2% of residents commute by train, which is as close to nobody as a census category gets. Buses do exist, with 27 stops recorded in the area, but only about 2% of residents use one to get to work.
What people actually do is drive or stay put. Around 52% commute by car, about 27% work from home, roughly 9% walk and about 1% cycles. Car ownership follows the same logic: around 35% of households run two or more vehicles, while about 19% have none at all. That second figure is the one worth sitting with, because in a town with this bus service, having no car is either a deliberate lifestyle or a genuine constraint, and the brief cannot tell you which household is which.
The Department for Transport's modelled journey times put the nearest town centre at roughly 14 minutes by car against about 26 by public transport. Those are modelled figures for the area rather than a route from any particular front door.
Broadband is a split verdict. Superfast reaches about 99% of premises, so streaming and video calls are not a problem, and nowhere falls below the universal service obligation. Gigabit reaches roughly 9%. Anyone who needs a full-fibre connection for work should check the specific address before exchanging, because the odds are against it.
Mobile coverage is solid. Around 100% of the area gets fourth or fifth generation service from at least one operator, and about 95% gets it from all of them, so the network you are already on will almost certainly work.
For a typical working week, this means the car does everything. A commuter here is not choosing between train and road, they are choosing between driving and not going.
The wider set of modelled journey times fills in the picture, with the same caveat that they describe the area rather than any individual address, and with a further one: the public transport figures date from 2019, and services have been withdrawn across rural Cornwall since, so treat them more cautiously than the car and walking numbers. The nearest town centre is about 29 minutes by bicycle and roughly 79 minutes on foot. That walking time is the finding, not a footnote. Marazion is not within walking distance of anywhere that has a high street of its own.
The everyday destinations follow the same pattern. A doctor's surgery is modelled at about 8 minutes by car, 11 by bicycle, 13 by public transport and 18 on foot, which is the one journey that works properly in every mode. A hospital runs to roughly 15 minutes by car and about 30 by public transport. A food store is about 10 minutes by car but around 40 on foot, so the weekly shop is a driving job. Employment centres sit at roughly 17 minutes by car against about 42 by public transport, and that 25-minute gap is the daily tax on not owning a vehicle.
On the buses themselves, the current picture is better than the commuting figures suggest. The stops average around 45 scheduled weekday departures each, and every one of the 27 runs at weekends. The catch is the peak, where the average is about 1.5 buses an hour. A service that thin at the busiest time of day is usable for a planned trip and close to useless for a job with fixed start times.
Road noise is barely a factor. About 1% of postcodes sit near or above 65 decibels, which is the threshold at which official mapping treats road noise as significant, and 65 decibels is also the loudest band recorded anywhere in the area. No rail noise appears at all, which is what happens when the line no longer stops for you.
Connectivity is the weakest thing about Marazion by a distance: a car makes the place work and the absence of one makes it a project, and no amount of coastal scenery shortens a 42-minute bus ride to a job.