What actually matters with kids
Nevada's minimum gambling age is 21, and casino floors are adults-focused by design, so the resort's non-casino amenities — pool complex, room configurations, and how far you'd have to walk through a casino floor to reach them — matter more than the marquee show lineup.
Pools and room layouts
Look specifically at pool complexes (some resorts run separate family and adults-only pools) and whether family or connecting-room configurations are available, since standard Vegas rooms are built for couples and business travellers first.
Location still matters
A South Strip or off-Strip base near attractions that aren't casino floors — aquariums, observation decks, some of the free spectacle shows — can cut down on how much time you spend threading a stroller through a casino.
Set expectations about the Strip itself
Even family-friendly resorts sit inside a broader Strip that's built for an adult crowd after dark — smoke, noise and late-night energy are part of the environment, not a hotel-specific problem. Plan evenings accordingly rather than expecting a theme-park atmosphere everywhere.