General:
* Blissful: A state of perfect happiness.
* Delightful: Giving great pleasure; charming.
* Exuberant: Full of energy and excitement; overflowing with enthusiasm.
* Fulfilling: Providing satisfaction and happiness.
* Joyful: Full of happiness and pleasure.
* Pleasant: Giving a feeling of happiness or satisfaction.
* Rosy: Optimistic and cheerful.
* Serene: Calm, peaceful, and untroubled.
* Tranquil: Peaceful and calm.
More specific:
* Carefree: Without worries or responsibilities.
* Effortless: Done without any difficulty.
* Fun-filled: Full of enjoyable activities.
* Leisurely: Relaxed and unhurried.
* Luxurious: Involving great comfort and pleasure.
* Stress-free: Without any pressure or anxiety.
Idioms:
* Living the good life: Enjoying a comfortable and luxurious lifestyle.
* Having a ball: Having a lot of fun.
* Living in the lap of luxury: Enjoying a very comfortable and wealthy lifestyle.
* On easy street: In a position of comfort and security.
The best word or phrase to use will depend on the context and the specific meaning you want to convey.