@Chefpig It’s possible to visit Blackpool and only experience the best it has to offer:
Stay in Lytham for the nice cafes/restaurants bars. It’s still quite cheap to stay there and it’s easy to get into Blackpool for the day.
St Anne’s is another good place to stay, although not as ‘posh’ as Lytham, it does have the wonderful sand dunes nearby and is quiet. It’s very easy to get into Blackpool from there by tram.
Closer to Blackpool itself, but nowhere near the ‘nightlife’, I can recommend the PremierInn Bispham. It’s extremely quiet round there and walking distance up Red Bank Road to the prom. From there it’s a short tram ride either to Blackpool or Cleveleys, (the latter has had major works done to the seafront and it’s nice to walk along it).
If you like football, staying at the Radisson Blackpool FC hotel in South Shore is quite interesting, (although I would say that the area round there is pretty gritty - especially at night - you’d want to have a car, put it that way).
Visiting Blackpool itself:
SeaLife
The Tower - including the ballroom from Strictly
Blackpool Zoo
Stanley Park - a 1920s civic masterpiece next to the Zoo - most people seem unaware of its existence, (which is good news for those of us who are!)
The Pleasure Beach (but it’s closed in Dec-Feb)
Seven miles of golden sands
Piers
Blackpool has its problems, and lots of the Central and South Shore areas are extremely rundown, but it’s not the hellhole it’s often painted.
There is also absolutely no need to go into central Blackpool in the evening, unless that’s what you want to do.
I know Blackpool isn’t for everyone, but lots of seaside resorts have similar issues but don’t get the same amount of bashing. I’m a ‘sandgrown’un’ so I’m biased, but ‘done right’, and imo, Blackpool is a great place to visit