Mineral Palace

Mineral Palace opened in March 1993 on Main Street in downtown Deadwood.  It is on the location of what was once known as the Gem Theatre.  The Gem Theatre was not a theatre at all.  It was a brothel run by Deadwood legend Al Swearengen.

The Mineral Palace offers a restaurant, hotel and casino. There are slots, video poker, video roulette, blackjack and Three Card Poker spread in the casino.

Mineral Palace Hotel

The hotel offers 75 rooms for their guests to choose.  There is a double queen, standard king, king suite, Royal Suite and VIP suite.  The double queen starts at $65 off peak up to $149 during the summer for weeknights. Weekends start around $95 during the offseason and $149 during summer.

The VIP Suite and Royal Suite have in-room Jacuzzis.  These suites start at $229 off season and run up to $389 during the peak season.

Gem Steakhouse

The Gem Steakhouse offers a variety of steak, buffalo, burgers and salads.  A garnish tray with a variety of olives and other garnish is served before the meal.  Steaks are aged a minimum of 21 days. A full bar is also offered.

Gem Steakhouse is open for breakfast, lunch and dinner. The breakfast menu is like a café. Most breakfast items are under $10. Lunch includes appetizers, salads, sandwiches, burgers and some entrees from the sinner menu.

Table Games

Mineral Palace offers double deck blackjack, six-deck blackjack, double zero roulette and Three Card Poker.  There are two Three Card Poker games, four six-deck blackjack games and one roulette table.

In the six-deck blackjack game, players can double after the split, double anything and split up to four hands.  The dealer hits soft 17. The double deck blackjack game has the same rules, except that double down after splitting is not permitted. All games have limits of $5 to $100. Players that enter a game mid-shoe may only bet the minimum.

There is a video roulette machine. This game has limits if $1 to $100. The game accepts a players card. The roulette wheel has two zeros.

Mineral Palace Video Poker

Mineral Palace ranks among the worst video poker in Deadwood.  The best video poker game is 6/5 Double Double Bonus Poker Plus (95.1%).  Other video poker offered include 6/5 Jacks or Better (95%), 10/8/5 Bonus Poker (94.18%), 7/5 Double Bonus (93.1%), 6/5 Double Double Bonus (94.65%), 15/10 Deuces Wild (94.82%), 6/5 Joker Poker (94.27%), 6/5 Triple Double Bonus (93.86%), 7/5 Blackjack Poker (94.9%), One Eyed Jacks (94.9%), 9/6/5 Shockwave Poker (93.2%) and Wild 7’s (94.85%).

The denominations are penny, nickel, quarter, half-dollar and dollar.  The pay tables are the same on all machines for all denominations.

Player’s Club

The player’s club gives players 0.4% cash back for their play.  Points may be redeemed for free slot play right on the video poker machines by entering your PIN.  Free slot play is also given to active players on a monthly basis.


A variety of promotions are mailed to active players that are specific to their action. Players 55 and older earn entries Monday through Thursday for a chance to win $500 in free slot play. Every 300 points earned in a 24-hour period receives one entry to this drawing.