Here are some pros and cons of purchasing real estate in Sebastian, Florida:

Pros:
1. Beautiful beaches: Sebastian is located near the Atlantic Ocean and has access to some of the most beautiful beaches in Florida. This can be a great perk for those who love to swim, surf, or just enjoy the beach life.
2. Competitive housing market: With a growing number of buyers looking to buy real estate in Florida, the housing market in Sebastian can be very competitive, which can lead to higher home values and better return on investment for those looking to resell in the future.
3. Small-town feel: Sebastian is a small town that offers a relaxed, laid-back lifestyle that many people find appealing.
4. Outdoor activities: For those who love the outdoors, Sebastian offers plenty of opportunities to fish, hike, camp, and more.

Cons:
1. Hurricane season: Florida is susceptible to hurricanes, and Sebastian is no exception. Homeowners in Sebastian will need to consider this when purchasing insurance and planning for emergencies.
2. Higher Cost of living: The cost of living in Sebastian can be higher than in some other areas of the state, due in part to its location on the coast, as well as its popularity as a retirement destination.
3. Tourist Traffic: Because Sebastian is a popular tourist destination, traffic can be heavy during peak seasons and can make commuting and getting around the town difficult.
4. High Humidity: Florida is known for its high humidity levels, which can make the summer months quite uncomfortable for some people.

Overall, Sebastian can be a great place to live or invest in real estate, but it's important to take these pros and cons into consideration before making a decision.