Slightly stuck.... 8 Across ~ Island awfully close to two points with two equal sides (9) 11 Across ~ Doctor and poet out east (8) 14 Across ~ Place with no private training is suffering mid-year calamity (8,7) 3 Down ~ Could be the shaggiest one, say, proverbially (2,3,6,4) 13 Down ~ Suspect trickery at sewer? (5,1,3)