Supermodel Nina Agdal has had quite a busy summer. Since July, she has been in Malibu, California, with her boyfriend Leonardo DiCaprio, Ibiza (also with Leo), Mykonos, Dominican Republic, and Sardinia. Last weekend, the New York City resident found herself a little closer to home, in the Hamptons for a day of wellness and a celebration of Buick's new Envision. (Agdal stars in the brand's new film, "Joy to Drive.") After workout classes by the legendary fitness instructor Tracy Anderson and SoulCycle guru Akin Akman, Agdal explained how she manages to stay calm, relaxed and healthy while doing so much traveling.

What's your go-to travel outfit?Track suits. I wear sweatpants and a sweatshirt, and I just try to stay comfortable. I can’t do the jeans and a t-shirt thing. It’s too tight. Don’t want it. I just want to be able to let it be and have no pressure so if I eat something my jeans are not too tight, or if I get swollen…. I’m just not down.

And favorite travel shoes?Sneakers. Either Converse or Nike Air Max, because they’re easier to take off. They are great if you’re late because you can run in them. It's nothing fancy. I dress like a dude, but it works. I never miss my flight, knock on wood. I have been very late, but I’ve never missed a flight. I’m probably going to miss the next one now.

Who is the best person you have ever been seated next to on a plane?Benicio del Toro was the best I’ve ever sat next to. We flew from New York to L.A. together, which is a long flight if you're sitting next to someone you don’t want to talk to. We just had a long conversation for six hours. It was in the beginning of my career, and he gave me some great advice on how to stay sane. He was honestly giving me a lot of tips that I have kept with me over the years. He gave me recommendations for where to go in L.A., advice about people, and just to be careful with the whole scene. He knew I was really young, and it came from a really sweet place. He was very nice.

And the worst?We all have that guy who just wants to talk to you and you’re just not that interested. It’s Sunday morning, you’re hungover and you’re wearing your headphones for a reason. And there have been a lot of those. Generally, I act like I’m sleeping. That’s the other good thing about wearing a sweatshirt with a hood. You can just take your hoodie and pull it so no one can see your face.

Nina Agdal and Akin Akman exercising at Buick Studio Envision. Photo by Getty Images.

Photo by Getty Images.

Which do you prefer: city or beach?I live in New York City, so I want to say the beach. I grew up in Denmark and we have a beach but it’s not warm, so every time I see a palm tree I get excited.

Window or aisle?I always get window. If I’m in the aisle I have to get up a lot [to take pictures with fans], but if I’m in the window and I have my hoodie pulled nobody is going to notice me. I just hate making people wait while you take a picture in the aisle and American Airlines is like “Can you please take your seat?” and you’re like, "I’m sorry!" Also, the picture on the plane is never going to be good. The lighting is awful. I would recommend that you do it when we're off the plane or before the flight--if you must, the beauty filter on Snapchat would have to be the only thing that could help you.

Snapchat or Instagram?I just did my first Instagram story today, I am really nervous because it’s my first one, but I’m starting to learn how to do that now. Snapchat is fun, but it’s my private account. I do that for friends, and I do my Instagram for the public so it’s really exciting and scary. I don’t have a finstagram. What you see is what you get.

What’s in your suitcase?A lot of basic t-shirts. Like white tees. My stylist Jamie Frankel helps me with everything else, but when I’m packing it’s a lot of boyish t-shirts, shorts, sneakers, and workout clothes. For accessories, I just wear my watch and my rings. Nothing fancy.

What beauty products do you always bring with you?I hate to say it, but I really don’t use beauty products. I’m never going to get a beauty campaign. The only thing I use is rose water and Laura Mercier's prime foundation radiance cream... or whatever it’s called. It makes you super glowy. Take your makeup off, wash with water, use sunscreen if you’re in the sun, and add lip balm. Also, I never have the energy to pack shampoo and conditioner, I assume the hotel will just have it. And the thing is they never do. They never have conditioner. And my hair is huge. If I don’t put conditioner in this hair it is a dreadlock, but I’m still too lazy to even bring it.

Model Nina Agdal and Akin Akman. Photo by Getty Images.

Photo by Getty Images.

How about self tanner?This is real! Normally I don’t have a real tan, but I just came back from this trip. I was way darker, but I usually do the St. Tropez, the self tanner. Have someone help you with your back, but you can do it yourself if you’re flexible. Sleep on it, take a shower in the morning, and you’ll be tan for the next five days.

How do you exercise on the road?I like to do it outdoors on the beach do a little boot camp with your friends. I’m usually the instructor. "Do this! Get down! Jump up! Squat!" It’s super fun – having your friends do it with you outdoors. I love biking, hiking, and going for walks.

What's your favorite mode of transportation?I love biking. If you have ever been to Copenhagen, you’ll see that everyone bikes. My dad bikes 40 miles a day. Growing up, even if it was snowing or freezing, I would bike to school. There was no mercy. My dad was like "No, you’re not going in a car you're going to bike there." But it’s the best way to see places. It's fun--you can talk to people, you can play music... I just really enjoy it. In New York, I Citi bike everywhere. I go on long trips, on short trips. I like to just go on rides and see where I end up.

What's the best hotel you've ever stayed in?I stayed in this villa in the Seychelles and it was so epic. The last night, the crew left so I had the entire villa to myself. I had my own chef. There was a mouse in my room, but it was absolutely gorgeous. That whole experience – it’s just printed in my memory. Being alone in a palace in the Seychelles, which is like where the royals go. I was even fine with the mouse, just don’t infect me with anything.

What's the best souvenir you have picked up on a trip?I steal cups and little spoons from restaurants, planes…. it's so weird. When we went to Europe me and my girls they both bought like little bracelets. And I came back without a single souvenir – but I had gotten a little tipsy on the plane and in my bag were two cups from KLM airlines that I thought at the time were incredible. I didn’t realize they had a KLM logo on them. They looked like crystal! But I still love them. And I just got some from my trip to Sardenia too, from Iberia Airlines. So I guess that’s my thing now.

Related: watch Nina Agdal pose with the art at Art Basel Miami Beach: