Sinks have a basin and associated lid to open and close the basin based on desired function. The lid is useable as a counter space and concealer for sink internals. The lid can be moved in a variety of ways based on desired function, potentially without need for external attachment, structure, and/or volume for lid function. The lid may be configured to match surrounding surfaces both functionally and aesthetically. Sinks are useable with drains, hinges and other attaching joints, faucets or other water sources, countertops alongside the sink, holes and other drains in lids to permit wetbar and counter usage in a closed position, etc.