The Coleman Xtreme 5 Day is your best bet.

Yes, for under $100 the Coleman Xtreme 5 Day (52 quart) is the one I’d grab. It holds ice for three days easy, and usually runs around $70-80. You don’t need to spend more.

The Igloo BMX 25 quart is also solid, but smaller and usually costs the same or more. The Coleman Xtreme is the sweet spot: good insulation, decent size for a weekend trip, and it won’t break the bank. Pre-chill it first and keep it out of direct sun and you’ll get your three days without sweating it.

Don’t overthink it. This is not the place to save ten bucks on a no-name cooler.