Birthday Parties for Adults: adults sit on the beach, dancing and playing guitar, with the lake behind them© Provided by Indy with Kids 50 Birthday Parties for Adults: Unique Celebrations You Can ...

They're suitable no matter the age of the honoree. Read: Sophisticated and fun are the main mood-board terms here. Without further adieu, here are 21 adult birthday party ideas and themes.

Sure, some ideas are on the fahncy side, but you can totally DIY many of these party components. If all else fails, plop on the beach with your pals for the day with a cooler of White Claws.