Current Locality: Dublin 2 (Dublin). Club Oasis Casino & Poker Room. Casinos. Phone: Address: 4 Westmoreland St, DUBLIN 2, DUBLIN, D2. Club Oasis Casino in Dublin Ireland has a 5, square foot casino floor featuring slots, 12 table games, poker and hotel. Open Mon-Thu 10am-1am and. Club Oasis Casino is in Dublin, Ireland and is open Mon-Thu 10am-1am, Fri-Sun 10am-2am. The casino's square foot gaming space features gaming.