A long dress solves the problem that hot weather creates. You want coverage from the sun without anything gripping your body, and you want one item that reads as finished with nothing layered over it. Rat & Boa builds most of its range around this, and the prices sit in a narrow band, roughly $160 to $250, which makes the choice about pattern and colour rather than budget. The practical split is between prints and solids. Prints do the work of an outfit on their own and photograph well against sand, stone and water. Solids are quieter in the moment and easier to repeat across a week away, because nobody clocks a plain green dress the second time you wear it.

Scale is the thing most people get wrong. A large repeating motif, like the spots on the Magnolia at $185, holds its shape from across a room and stays legible in photographs. A dense small print does the opposite and can read as texture or noise once you step back. Leopard behaves like a neutral in this context and sits happily next to tan, cream and gold. The bolder colour combinations, such as the Coralina at $160 or the Aralia at $185, are better treated as the whole outfit, with plain sandals and nothing competing at the neckline. If you want a print you will still wear in three summers, pick one where you can name the two main colours without squinting.

We keep coming back to the same test with holiday dresses, which is whether you would put it on again the next evening without thinking about it. Prints are the ones that get remembered, and that is both their appeal and their limit. A solid dress in a good colour, the Ruba in green at $225 or the Caspian in red at $195, will quietly carry three separate evenings. If you take one thing away, buy the print for the day you want to be photographed and the solid for the rest of the trip, and you will use both. Everything here was in stock at the prices listed when this edit was built, and Rat & Boa sells direct, so sizing runs consistently across the range.