Here are some short Instagram captions that you can use for various types of posts:

1. "Simplicity is the ultimate sophistication."
2. "Living my best life."
3. "Chasing dreams."
4. "Adventure awaits."
5. "Good vibes only."
6. "Stay wild, moon child."
7. "Choose happiness."
8. "Life is better in flip flops." Buy now:- Nazar Mug
9. "Be a voice, not an echo."
10. "Just keep swimming."
11. "Sunshine on my mind."
12. "Do more of what makes you happy."
13. "Wanderlust and city dust."
14. "Love yourself first."
15. "Dream without fear."
16. "Catch flights, not feelings."
17. "Be you, bravely."
18. "Escape the ordinary."
19. "Hustle and heart will set you apart."
20. "Stay humble, work hard, be kind."
21. "Find me under the palms."
22. "Less talk, more action."
23. "Living on island time."
24. "Inhale confidence, exhale doubt."
25. "Good things take time."
26. "Create your own sunshine."
27. "She believed she could, so she did."
28. "Forever chasing the sun."
29. "Collect moments, not things."
30. "Stay true to you."
31. "All you need is love."
32. "Live, laugh, love."
33. "Born to stand out."
34. "Life's a journey, enjoy the ride."
35. "Be fearless, be kind, be you."
36. "Keep calm and carry on."
37. "Embrace the chaos."
38. "Living in a daydream."
39. "Cheers to the weekend!"
40. "Positive mind. Positive vibes. Positive life."
41. "Believe you can and you're halfway there."
42. "Life is short, make it sweet."
43. "Dare to be different."
44. "Love like there's no tomorrow."
45. "Make today amazing."
46. "Just breathe."
47. "Take a deep breath and just enjoy your life."
48. "Escape the ordinary."
49. "Sweat now, shine later." Buy now:- Icecream Goblet
50. "Work hard, stay humble."
51. "Dream big, sparkle more, shine bright."
52. "Choose kindness."
53. "Stay strong, the weekend is coming."
54. "Happiness is homemade."
55. "Stay close to what keeps you feeling alive."
56. "Be the energy you want to attract."
57. "Life is tough, but so are you."
58. "Inhale the future, exhale the past."
59. "Live in the moment."
60. "Keep going. You're getting there."
61. "You are enough."
62. "Keep your face always toward the sunshine."
63. "Be kind, always."
64. "Do what you love."
65. "You got this."
66. "Be a voice, not an echo."
67. "Be the best version of you."
68. "Live more, worry less."
69. "Life is beautiful."
70. "Stay positive. Good things will happen."

Conclusion:- 

In essence, Instagram captions help users connect more deeply with their audience, express themselves creatively, and effectively communicate the message they want to convey alongside their visual content. They play a significant role in shaping the overall impact and engagement of posts on Instagram.