Same side of the county, very different buyer
Ruskin and Sun City Center are often close in geography, but they are not close in lifestyle. Ruskin tends to be a broader value and housing-type conversation. Sun City Center is often a much more specific fit shaped by age-restricted community structure, fees, and the day-to-day environment people want from that model.
Where Ruskin tends to win
Ruskin wins when the buyer wants more general flexibility, a broader housing mix, and a less defined community structure. The tradeoff is that the local identity can feel more mixed and the quality spread can require sharper screening.
Where Sun City Center tends to win
Sun City Center wins when the community structure itself is the draw. Buyers who want the amenities, social environment, and age-targeted setup usually know quickly that the structure is either a clear positive or a hard no.
What to compare first
Start with whether the community model itself fits, then compare fees, local amenities, and whether you want a more open-ended south-county option or a much more defined lifestyle setup.