Host your next special event at Centralia's picturesque lakefront venue, Castle Ridge. This beautiful event center offers full-service event planning and delicious in-house catering. The venue offers 5 outdoor ceremony areas and 9 breakout rooms for parties of all sizes. So, whether your event is big or small, Castle Ridge has space for anywhere from 1,500 to 15,000 guests! Let ILLINOISouth make your upcoming wedding, anniversary or business conference memorable at Castle Ridge.