In our small space, we use two zebra ottomans that double as coffee table and also extra seating when we need it. While we love the cushioned vibe of the ottomans to rest our feet, it's not conducive for cocktails or glasses of any kind. We've picked up a few tips for turning an ottoman into a functioning table.
Consider using a C side table in addition to your ottoman. Simple slide the C table under your ottoman to create a surface. When you don't need it, move it to the side of your couch and - voila - a side table.
A serving tray is a great way to turn an ottoman into a table-top surface. There are tons of serving tray options. This is a fun way to add another pop of color to your space.
A simple board. We had dinner at a friend's house recently and she had a custom couch and ottoman made to fit her small space. She had a piece of bamboo board cut to the size of her square ottoman and she rests it there often, placing magazines and an occasional glass or vase of flowers on it. When she's ready to lounge, she stores the board under the couch.
Check out more coffee table ideas from Apartment Therapy: