Below is a list of some timeless and popular gift ideas for coffee lovers that are likely to remain popular in 2023 and 2024:

1. Coffee Subscription: A subscription to a specialty coffee service that delivers fresh, high-quality coffee beans to their doorstep on a regular basis.

2. Coffee Maker or Espresso Machine: Depending on their preferences, consider gifting a high-quality coffee maker, espresso machine, or a French press.

3. Coffee Grinder: A burr grinder can make a significant difference in the taste of coffee by ensuring a consistent grind size.

4. Travel Mug: A high-quality travel mug that keeps coffee hot for an extended period is a great gift for on-the-go coffee lovers.

5. Coffee Accessories: Items like a pour-over coffee maker, AeroPress, Chemex, or a stovetop espresso maker can be wonderful additions to their coffee brewing arsenal.

6. Coffee Books: Books on the history of coffee, coffee brewing techniques, or coffee-themed novels can be a thoughtful gift.

7. Coffee Beans: A selection of premium coffee beans from different regions, or a rare and exotic blend, can be a delightful gift.

8. Mugs and Tumblers: Unique and artistic coffee mugs or insulated tumblers can be both functional and decorative.

9. Coffee-Related Art or Decor: Coffee-themed wall art, posters, or decorative items for their kitchen or coffee nook.

10. Barista Tools: Quality frothing pitchers, tamper, or latte art tools for those who enjoy creating coffee masterpieces.

11. Coffee-Infused Treats: Coffee-flavored chocolates, cookies, or other gourmet treats that pair well with a cup of coffee.

12. Coffee Workshops or Classes: Enroll them in a barista course or coffee tasting experience.

13. Personalized Gifts: Customized coffee mugs, engraved coffee scoops, or personalized coffee-themed merchandise.

14. Coffee Subscription Box: Look for subscription services that curate coffee-related items and deliver them regularly.

15. Coffee Gadgets: Unique coffee gadgets like a coffee scale, siphon coffee maker, or a cold brew coffee maker.

Remember to consider the recipient's specific preferences and the type of coffee they enjoy when choosing a gift. Coffee lovers often appreciate gifts that enhance their coffee experience or add a personal touch to their coffee routine.