If you are looking for a boat slip you know that they start at $35, 000.00. If you have an 18' boat I have a slip for sale at Otter Creek Marina for $20,000. Why so inexpensive? There are only basic amenities. The slip has fresh water and electric and fish cleaning stations. There is off street parking to park your vehicle. It includes is a secure area to park your boat trailer. There are limited slips available in Wilmington, NC. The price of these slips are going to go up.