If your trip to Howth is all sorted out but your travel itinerary is a bit on the empty side, let us give you a few hints and tips.You might need to ask the boss for a few more days off, because Howth is full of famous sights and landmarks. Start off with 3Arena and Aviva Stadium. You won't want to miss The Convention Centre Dublin and Bord Gáis Energy Theatre either.If your friends and family ask why you're coming here, just show them some pictures of Malahide Castle and Tolka Park. These fabulous attractions will make sure you have an awesome trip.Not far from the city center, Portmarnock Golf Club is one attraction to consider putting on your must-see list. Howth Harbour and Portmarnock Beach are also close by and worth taking the time to see.