Jokers Wild is on Boulder Highway in Henderson and Eldorado is on Water St. in Henderson. Both are non hotel, 6 or 7 table games, buffet, cafe, slots, and that's pretty much it. Just gambling halls, that's all.
www.casinocity.com search the "United States Casino directory" > "Nevada" > "henderson"
From the strip, you would take I15 south to I215 East till it ends at 95/I515. Follow Lake Mead till Boulder Hghwy, turn left and Jokes is about 1/2 mile up the road on the right.
For Eldorado, Turn right onto Water St. from Lake Mead and it's about 3 blocks up on the right.