FUN activities and celebrations will mark the unveiling of boatyard developments worth £5.8m.
Swanwick Marina, on the River Hamble, will be holding a grand opening for its new boat stack and redesigned site.
At the ceremony there will be activities throughout the afternoon with a performance from Warsash Sea Cadets as well as the revealing of an official commemorative plaque.
There will also be a display from dancers, live music, a hog roast and charity raffle.
Tickets are available at £2.50 and the opening will be held on Monday, April 6 from 2pm to 6pm.
For more details call 01489 884081.