Some additional information is needed about your swimming pool.

Gunite, vinyl fiberglass?

Is there an existing light to be replaced? Do you know if it's 120V or 12V?

Most popular options include LED pool lights, known for energy-efficiency and affordability. Solar pool lights are another choice, powered by the sun to save energy costs, though they might be less bright in shady areas. Inground pool lights offer a permanent and sleek solution, though installation could be pricier.

For budget-friendliness, LED lights are recommended, while solar and inground lights are higher-cost alternatives. Opt for white lights for safety and visibility, or go for colored lights to add a decorative touch. Select the ideal waterproof pool light based on your needs and budget. I have used LED pool lights for my client's pool remodeling in san antonio. So it is highly recommended from my end.