Celebrating your boyfriend's 30th birthday can be a significant milestone. Plan a memorable celebration by considering his interests and preferences. If he enjoys outdoor activities, organize a day of adventure, such as hiking, biking, or even a hot air balloon ride. Hosting a themed party, like a retro '80s bash or a movie night with his favorite films, can add a fun touch. Alternatively, create a sentimental gift, like a scrapbook of your journey together or a heartfelt video message from friends and family sharing their wishes. A surprise trip to a destination he's always wanted to visit can be an unforgettable experience. Remember, the key is to tailor the celebration to his personality and interests, making it a day he'll cherish.