Linen Dress Gown in Black / Custom Long Bridesmaid Dress - Made to order. $78.00, via Etsy.
Dark blue linen sleeve Vneck dress / temperament by dreamyil, $108.00
woman's long dress black dress maxi linen dress custom by xiaolizi
Spots and length
Blue Clear Skylight blue long sundressmore by FashionColours, $74.00
This is really cute, but I'd wear it with black tights and ballet flats.