If you are coming from out of town the closest airport is San Diego International Airport. Below are some nearby hotels and car rentals for the wedding location.
Hotel
Moonlight Beach Motel
233 2nd Street, Encinitas, CA 92024 (760) 753-0623
$$
Hotel
Inn at Moonlight Beach
105 North Vulcan Avenue, Encinitas, CA 92024 (760) 450-5028
Hotel
Days Inn by Wyndham Encinitas Moonlight Beach
133 Encinitas Boulevard, Encinitas, CA 92024 (760) 456-5097
$
Hotel
Cardiff by the Sea Lodge
142 Chesterfield Drive, Encinitas, CA 92007 (760) 944-6474
$$
Rental Car
Enterprise Rent-A-Car
2305 Pacific Highway, San Diego, CA 92101 (619) 294-7774