someone asked this same thing a few months ago
rooftop of the intercontinental hotel and Perch in dtla
Nomad is new hotel downtown with three lobby bars, packed on weekends
Rooftop of hotel Erwin in Venice
arts district brewery if you like beer, the neighborhood also has art galleries, coffee shops, graffiti, retro arcade, etc
members only dayclub on saturdays
Food- grand central market(knead pasta bar, sticky rice thai restaurant, g&b coffee, belcampo hamburger), umami and father office for burgers, Gus's hot fried chicken, castle bbq & soot bull jeep (korean bbq), guisado's tacos or any parking lot taco truck after 8pm, lemonade - californian comfort food, uovo - casual authentic italian in santa monica , sweet chick - nas's chicken & waffle spot, wurstkusche - german sausage & beer, daikokuya, tatsu, and shinsigumi for ramen, zankou - middle eastern rotisserie chicken, bazaar - high end next level spanish tapas, night market and luv2eat thai bistro for thai, spago if you got $$$ to spend and want the essential LA dining experience, gjusta - californian bakery/restaurant w/ overwhelming selection, best sushi in America is on sushi row, Ventura blvd Studio city/sherman oaks
non-touristy beaches - el matador, point dume (private beach behind the rock climbers), will rogers. dockweiler