After your initiation into adulthood at age 21, milestone birthdays are typically decade mile markers. You likely started thinking of yourself as a true grownup around the age of 30. By age 40 or 50, you can start expecting those “over the hill” party decorations at your celebration. The problem is that “over the hill” parties are old news.

You want to do something fun, exciting, and unexpected when your next milestone birthday rolls around. You survived—and hopefully thrived—another decade in this amazing world. You want to usher in the next decade feeling alive and carefree. The following list will give you eight ideas to make that happen for yourself or someone special.

1. Get Lucky with a Casino Celebration

Create a private casino for the lucky guests at your next milestone birthday party. You can rent space for this, use your own home and yard, or just go out to a real casino if you’re feeling lazy. When creating the casino for your guests, think about themed cocktails, decorative lighting, and all the classic games like blackjack, poker, and perhaps a slot machine or two.

2. Rent a Private Boat

Imagine cruising the Florida Keys on a party boat with your favorite people. Maybe you prefer relaxing on the sundeck of a private Tiki boat while sipping a cocktail. Whether you’re ready to drink yourself into oblivion or just want to explore beautiful ocean terrain in a relaxing setting, renting a private boat is a great way to celebrate a milestone birthday.

3. Throw a Decade-Themed Party

Spend a few moments thinking back over your life. What decade included your golden years? We’re talking about years that you want to remember forever. Was it the 80s, 90s, or even the 60s? Remember those amazing years by stepping back in time for your next milestone birthday bash. Everything from the food and décor to the costumes should reflect that magical decade.

4. Relax at a Private Spa Day

This is a great idea if you just want to relax, unwind, and think about the life you’ve lived to date. Either book a professional spa for a day or create your own spa at home. You and your favorite people deserve a good facial and perhaps a soothing massage.

5. Enjoy Arts and Crafts

Do you enjoy writing poetry, playing the piano, painting, or creating scrapbooks? Turn your secret hobby into a fun birthday party for your big milestone. Paint-and-sip parties are popular, but you can challenge your friends to make pottery, create silly mad lib stories, or groove through a dance competition.

6. Invite Your People on an Outdoor Movie Date

Set up a large outdoor movie screen, butter up the popcorn, and pass out the adult beverages of choice. Your next birthday celebration can serve as a group date for all the people you’ve grown to love and cherish. This is a great way to spend time with amazing people in a relaxed, fun environment.

7. Tickle Your Sweet Tooth with a Sugary Buffet

Fill tables and bars with homemade goodies and invite your friends and family over to play games or swim in the pool. If you love to bake, your loved ones will enjoy your cookies, cakes, and puddings while helping you celebrate a major milestone.

8. Throw an Old School Slumber Party

Who says you’re too old to spend the night with your best friends? One of the simplest ways to celebrate a milestone birthday in adulthood is to have a sleepover with people who make you laugh like a kid again. Just make sure you’re not the first to fall asleep!

The great thing about adult milestone birthdays is you can celebrate the life you’ve lived. You can also determine what’s next and set big goals for the next phase of your life. Make this next milestone birthday one you’ll never forget.