The best area you will find to stay in luang prabang is Namkhan Eco Farm. There are beautiful public gardens. You can spend your day comfortable bamboo sun beds where you can experience peace with bank of river. You can swim and explore surroundings with nature.
You can get creative and increase your skills as they offer courses like permaculture, horticulture, bamboo wicker basket making, carpentry, urban farming, and material creation.
They also offer course of learning yoga and care in the mornings and at sunsets.
There is also beach volleyball court, a sand badminton court, 2 petanque courts, and a natural outdoor gym. Other facilities include a swimming pool, an adventure playground, yoga platforms, changing rooms, and showers.
You can visit their website http://www.namkhanproject.com/ to know more about their project.