Have your guests hold mason jar lanterns with led candle lights for your send off.Mason Jar Garden Lights DIY Lids Set by TheCountryBarrel I can do this for the backyard! Switch out candles for battery or LED candles.
Hang some DIY crates on the area over the toilet to add some decor. The dried beach dahlias in tiny bubble vases, mason jars filled with candles & bath salts, some driftwood, and a few starfish & shells make your bathroom super fantastic.
I like how this set of cabinets leaves room for towels incase you don't have a closet in the bathroom. Storing the towels below isn't just functional, it adds a splash of color to the room and makes it feel "cozy". / nice soft and warm wall color.