Best Sushi In Las Vegas Strip. Sushi has really come a long way since it was first made in Southeast Asia. It was quite common before to buy sushis in stalls and stands in the streets of Japan. But since the issue of hygiene cracked down small-time vendors, fancy restaurants have started taking up the scene. Modern restaurants, like Sekushi, still serve sushi up to this day. But how do we know these modern restaurants serve only the best sushi in Las Vegas Strip?